Tabla final de posiciones
| # | Club | PJ | G | E | P | GF | GC | Prom | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 |  Arsenal | 42 | 28 | 10 | 4 | 127 | 59 | 2.153 | 66 |
| 2 |  Aston Villa | 42 | 25 | 9 | 8 | 128 | 78 | 1.641 | 59 |
| 3 |  Sheffield Wednesday | 42 | 22 | 8 | 12 | 102 | 75 | 1.360 | 52 |
| 4 |  Portsmouth | 42 | 18 | 13 | 11 | 84 | 67 | 1.254 | 49 |
| 5 |  Huddersfield Town | 42 | 18 | 12 | 12 | 81 | 65 | 1.246 | 48 |
| 6 |  Derby County | 42 | 18 | 10 | 14 | 94 | 79 | 1.190 | 46 |
| 7 |  Middlesbrough | 42 | 19 | 8 | 15 | 98 | 90 | 1.089 | 46 |
| 8 |  Manchester City | 42 | 18 | 10 | 14 | 75 | 70 | 1.071 | 46 |
| 9 |  Liverpool | 42 | 15 | 12 | 15 | 86 | 85 | 1.012 | 42 |
| 10 |  Blackburn Rovers | 42 | 17 | 8 | 17 | 83 | 84 | 0.988 | 42 |
| 11 |  Sunderland | 42 | 16 | 9 | 17 | 89 | 85 | 1.047 | 41 |
| 12 |  Chelsea | 42 | 15 | 10 | 17 | 64 | 67 | 0.955 | 40 |
| 13 |  Grimsby Town | 42 | 17 | 5 | 20 | 82 | 87 | 0.943 | 39 |
| 14 |  Bolton Wanderers | 42 | 15 | 9 | 18 | 68 | 81 | 0.840 | 39 |
| 15 |  Sheffield United | 42 | 14 | 10 | 18 | 78 | 84 | 0.929 | 38 |
| 16 |  Leicester City | 42 | 16 | 6 | 20 | 80 | 95 | 0.842 | 38 |
| 17 |  Newcastle United | 42 | 15 | 6 | 21 | 78 | 87 | 0.897 | 36 |
| 18 |  West Ham United | 42 | 14 | 8 | 20 | 79 | 94 | 0.840 | 36 |
| 19 |  Birminghamhoy Birmingham City | 42 | 13 | 10 | 19 | 55 | 70 | 0.786 | 36 |
| 20 |  Blackpool | 42 | 11 | 10 | 21 | 71 | 125 | 0.568 | 32 |
| 21 |  Leeds UnitedDescendió | 42 | 12 | 7 | 23 | 68 | 81 | 0.840 | 31 |
| 22 |  Manchester UnitedDescendió | 42 | 7 | 8 | 27 | 53 | 115 | 0.461 | 22 |
Los 462 resultados están confirmados por al menos dos fuentes (engsoccerdata, la grilla de resultados de Wikipedia). La tabla armada con los partidos es igual a la tabla final de Wikipedia.
Fuentes: engsoccerdata (James Curley) · Wikipedia (en inglés)
Partidos (462)
sábado, 30 de agosto de 1930
- Birmingham3–1Sheffield United
- Blackpool1–4Arsenal
- Bolton Wanderers3–0Middlesbrough
- Grimsby Town0–1Chelsea
- Leeds United2–2Portsmouth
- Leicester City1–1Derby County
- Liverpool2–1Blackburn Rovers
- Manchester United3–4Aston Villa
- Sheffield Wednesday2–1Newcastle United
- Sunderland3–3Manchester City
- West Ham United2–1Huddersfield Town
lunes, 1 de septiembre de 1930
- Aston Villa2–0Sheffield Wednesday
- Blackburn Rovers1–2Portsmouth
- Bolton Wanderers1–4Arsenal
- Huddersfield Town2–2Grimsby Town
- Leicester City2–1Birmingham
- West Ham United7–0Liverpool
miércoles, 3 de septiembre de 1930
- Derby County4–1Leeds United
- Manchester City2–4Blackpool
- Middlesbrough3–1Manchester United
- Newcastle United1–0Chelsea
- Sheffield United3–3Sunderland
sábado, 6 de septiembre de 1930
- Arsenal3–1Leeds United
- Aston Villa6–1West Ham United
- Blackburn Rovers5–0Blackpool
- Chelsea6–2Manchester United
- Derby County0–0Birmingham
- Huddersfield Town3–2Bolton Wanderers
- Manchester City0–2Leicester City
- Middlesbrough3–3Liverpool
- Newcastle United1–2Grimsby Town
- Portsmouth1–1Sunderland
- Sheffield United1–1Sheffield Wednesday
lunes, 8 de septiembre de 1930
- Leeds United4–2Manchester City
- Leicester City2–2Sheffield United
- Sheffield Wednesday1–1Chelsea
- West Ham United0–3Middlesbrough
martes, 9 de septiembre de 1930
- Grimsby Town1–2Aston Villa
miércoles, 10 de septiembre de 1930
- Arsenal3–2Blackburn Rovers
- Birmingham1–1Newcastle United
- Blackpool2–2Portsmouth
- Liverpool7–2Bolton Wanderers
- Manchester United0–6Huddersfield Town
- Sunderland1–3Derby County
sábado, 13 de septiembre de 1930
- Birmingham3–2Manchester City
- Blackpool3–2Middlesbrough
- Bolton Wanderers1–1Aston Villa
- Grimsby Town2–3Sheffield Wednesday
- Leeds United4–2Blackburn Rovers
- Leicester City3–1Portsmouth
- Liverpool1–4Huddersfield Town
- Manchester United4–7Newcastle United
- Sheffield United3–3Derby County
- Sunderland1–4Arsenal
- West Ham United4–1Chelsea
lunes, 15 de septiembre de 1930
- Aston Villa2–0Grimsby Town
- Blackburn Rovers2–2Arsenal
- Chelsea0–0Sheffield Wednesday
- Huddersfield Town3–0Manchester United
miércoles, 17 de septiembre de 1930
- Derby County4–1Sunderland
- Manchester City1–0Leeds United
- Middlesbrough2–2West Ham United
- Newcastle United2–2Birmingham
- Portsmouth4–3Blackpool
sábado, 20 de septiembre de 1930
- Arsenal4–1Leicester City
- Aston Villa4–2Liverpool
- Blackburn Rovers3–0Sunderland
- Blackpool3–7Leeds United
- Chelsea0–1Bolton Wanderers
- Derby County1–0Grimsby Town
- Huddersfield Town2–2Middlesbrough
- Manchester City0–4Sheffield United
- Newcastle United4–2West Ham United
- Portsmouth2–2Birmingham
- Sheffield Wednesday3–0Manchester United
miércoles, 24 de septiembre de 1930
- Sheffield United0–2Leicester City
sábado, 27 de septiembre de 1930
- Birmingham2–4Arsenal
- Bolton Wanderers0–3Newcastle United
- Derby County1–1Manchester City
- Leeds United1–2Huddersfield Town
- Leicester City3–1Blackburn Rovers
- Liverpool3–1Chelsea
- Manchester United0–2Grimsby Town
- Middlesbrough3–1Aston Villa
- Sheffield United3–1Portsmouth
- Sunderland2–4Blackpool
- West Ham United3–3Sheffield Wednesday
sábado, 4 de octubre de 1930
- Arsenal1–1Sheffield United
- Aston Villa6–1Huddersfield Town
- Blackburn Rovers2–1Birmingham
- Blackpool5–4Leicester City
- Chelsea4–0Middlesbrough
- Grimsby Town4–0West Ham United
- Leeds United0–3Sunderland
- Manchester City4–1Manchester United
- Newcastle United0–4Liverpool
- Portsmouth2–0Derby County
- Sheffield Wednesday1–0Bolton Wanderers
sábado, 11 de octubre de 1930
- Birmingham1–1Blackpool
- Bolton Wanderers4–2Grimsby Town
- Derby County4–2Arsenal
- Huddersfield Town1–1Chelsea
- Leicester City4–0Leeds United
- Liverpool1–2Sheffield Wednesday
- Manchester City1–3Portsmouth
- Middlesbrough3–1Newcastle United
- Sheffield United1–1Blackburn Rovers
- Sunderland1–1Aston Villa
- West Ham United5–1Manchester United
sábado, 18 de octubre de 1930
- Aston Villa1–1Birmingham
- Bolton Wanderers1–0Blackpool
- Chelsea1–0Sheffield United
- Grimsby Town0–3Portsmouth
- Huddersfield Town4–1Leicester City
- Liverpool2–0Leeds United
- Manchester United1–2Arsenal
- Middlesbrough1–0Sunderland
- Newcastle United2–5Derby County
- Sheffield Wednesday1–1Manchester City
- West Ham United4–3Blackburn Rovers
sábado, 25 de octubre de 1930
- Arsenal1–1West Ham United
- Birmingham6–2Chelsea
- Blackburn Rovers2–2Bolton Wanderers
- Blackpool1–3Liverpool
- Derby County2–3Sheffield Wednesday
- Leeds United7–0Middlesbrough
- Leicester City4–1Aston Villa
- Manchester City1–0Grimsby Town
- Portsmouth4–1Manchester United
- Sheffield United3–1Newcastle United
- Sunderland4–2Huddersfield Town
sábado, 1 de noviembre de 1930
- Aston Villa5–2Blackburn Rovers
- Bolton Wanderers1–2Derby County
- Chelsea3–0Blackpool
- Grimsby Town8–2Leicester City
- Huddersfield Town1–1Arsenal
- Liverpool0–2Manchester City
- Manchester United2–0Birmingham
- Middlesbrough0–1Portsmouth
- Newcastle United4–1Leeds United
- Sheffield Wednesday7–2Sunderland
- West Ham United4–1Sheffield United
sábado, 8 de noviembre de 1930
- Arsenal5–2Aston Villa
- Birmingham0–2West Ham United
- Blackburn Rovers2–0Chelsea
- Blackpool0–0Newcastle United
- Derby County2–2Liverpool
- Leeds United2–3Sheffield Wednesday
- Leicester City5–4Manchester United
- Manchester City4–2Middlesbrough
- Portsmouth2–2Huddersfield Town
- Sheffield United2–0Bolton Wanderers
- Sunderland3–2Grimsby Town
sábado, 15 de noviembre de 1930
- Aston Villa4–6Derby County
- Bolton Wanderers2–2Sunderland
- Chelsea2–0Manchester City
- Grimsby Town2–0Blackburn Rovers
- Huddersfield Town1–1Sheffield United
- Liverpool3–1Leicester City
- Manchester United0–0Blackpool
- Middlesbrough1–1Birmingham
- Newcastle United4–7Portsmouth
- Sheffield Wednesday1–2Arsenal
- West Ham United1–1Leeds United
sábado, 22 de noviembre de 1930
- Arsenal5–3Middlesbrough
- Birmingham4–1Grimsby Town
- Blackburn Rovers5–3Huddersfield Town
- Blackpool2–2Aston Villa
- Derby County1–1West Ham United
- Leeds United2–3Chelsea
- Leicester City2–5Sheffield Wednesday
- Manchester City3–0Bolton Wanderers
- Portsmouth4–0Liverpool
- Sheffield United3–1Manchester United
- Sunderland5–0Newcastle United
sábado, 29 de noviembre de 1930
- Bolton Wanderers2–0Birmingham
- Chelsea1–5Arsenal
- Grimsby Town2–0Leeds United
- Huddersfield Town1–1Manchester City
- Liverpool6–1Sheffield United
- Manchester United1–1Sunderland
- Middlesbrough4–1Derby County
- Newcastle United2–3Blackburn Rovers
- Sheffield Wednesday7–1Blackpool
- West Ham United2–0Leicester City
miércoles, 3 de diciembre de 1930
- Aston Villa2–2Portsmouth
sábado, 6 de diciembre de 1930
- Birmingham2–0Huddersfield Town
- Blackburn Rovers4–1Manchester United
- Blackpool1–3West Ham United
- Derby County6–2Chelsea
- Leeds United3–1Bolton Wanderers
- Leicester City0–3Middlesbrough
- Manchester City2–0Newcastle United
- Portsmouth2–4Sheffield Wednesday
- Sheffield United3–4Aston Villa
- Sunderland6–5Liverpool
sábado, 13 de diciembre de 1930
- Aston Villa4–3Leeds United
- Bolton Wanderers3–1Portsmouth
- Chelsea5–0Sunderland
- Grimsby Town2–1Sheffield United
- Huddersfield Town10–1Blackpool
- Liverpool1–1Arsenal
- Manchester United2–1Derby County
- Middlesbrough4–1Blackburn Rovers
- Newcastle United5–2Leicester City
- Sheffield Wednesday9–1Birmingham
- West Ham United2–0Manchester City
sábado, 20 de diciembre de 1930
- Arsenal1–2Newcastle United
- Birmingham2–0Liverpool
- Blackburn Rovers5–2Sheffield Wednesday
- Blackpool3–1Grimsby Town
- Derby County4–1Huddersfield Town
- Leeds United5–0Manchester United
- Leicester City2–1Bolton Wanderers
- Manchester City3–1Aston Villa
- Portsmouth1–1Chelsea
- Sheffield United4–2Middlesbrough
- Sunderland6–1West Ham United
jueves, 25 de diciembre de 1930
- Birmingham0–1Leeds United
- Blackburn Rovers1–0Derby County
- Blackpool2–1Sheffield United
- Bolton Wanderers3–1Manchester United
- Chelsea0–2Aston Villa
- Grimsby Town0–0Liverpool
- Manchester City1–4Arsenal
- Sunderland2–5Leicester City
- West Ham United4–3Portsmouth
viernes, 26 de diciembre de 1930
- Arsenal3–1Manchester City
- Aston Villa3–3Chelsea
- Derby County1–1Blackburn Rovers
- Huddersfield Town0–3Newcastle United
- Leeds United3–1Birmingham
- Leicester City1–1Sunderland
- Liverpool1–1Grimsby Town
- Manchester United1–1Bolton Wanderers
- Middlesbrough2–0Sheffield Wednesday
- Portsmouth2–0West Ham United
- Sheffield United5–1Blackpool
sábado, 27 de diciembre de 1930
- Arsenal7–1Blackpool
- Aston Villa7–0Manchester United
- Blackburn Rovers3–3Liverpool
- Chelsea5–0Grimsby Town
- Derby County1–0Leicester City
- Huddersfield Town2–0West Ham United
- Manchester City2–0Sunderland
- Middlesbrough3–0Bolton Wanderers
- Newcastle United1–2Sheffield Wednesday
- Portsmouth1–1Leeds United
- Sheffield United3–1Birmingham
lunes, 29 de diciembre de 1930
- Sheffield Wednesday3–2Middlesbrough
jueves, 1 de enero de 1931
- Blackburn Rovers0–1Manchester City
- Manchester United0–0Leeds United
- Middlesbrough2–1Grimsby Town
- Newcastle United2–0Aston Villa
- Sheffield Wednesday2–1Huddersfield Town
sábado, 3 de enero de 1931
- Birmingham1–2Derby County
- Blackpool1–1Blackburn Rovers
- Bolton Wanderers1–0Huddersfield Town
- Grimsby Town2–2Newcastle United
- Leicester City3–2Manchester City
- Liverpool3–1Middlesbrough
- Manchester United1–0Chelsea
- Sheffield Wednesday1–3Sheffield United
- Sunderland0–0Portsmouth
- West Ham United5–5Aston Villa
miércoles, 14 de enero de 1931
- Bolton Wanderers2–0Liverpool
sábado, 17 de enero de 1931
- Arsenal1–3Sunderland
- Aston Villa3–1Bolton Wanderers
- Blackburn Rovers3–1Leeds United
- Chelsea2–1West Ham United
- Derby County4–3Sheffield United
- Huddersfield Town2–1Liverpool
- Manchester City4–2Birmingham
- Middlesbrough5–1Blackpool
- Newcastle United4–3Manchester United
- Portsmouth2–1Leicester City
- Sheffield Wednesday4–1Grimsby Town
sábado, 24 de enero de 1931
- Liverpool1–1Aston Villa
- Middlesbrough2–3Huddersfield Town
lunes, 26 de enero de 1931
- West Ham United3–2Newcastle United
miércoles, 28 de enero de 1931
- Arsenal9–1Grimsby Town
- Birmingham2–1Portsmouth
- Leeds United2–2Blackpool
- Manchester United4–1Sheffield Wednesday
- Sheffield United2–2Manchester City
sábado, 31 de enero de 1931
- Arsenal1–1Birmingham
- Aston Villa8–1Middlesbrough
- Blackpool3–1Sunderland
- Chelsea2–2Liverpool
- Grimsby Town2–1Manchester United
- Huddersfield Town3–0Leeds United
- Manchester City4–3Derby County
- Newcastle United4–0Bolton Wanderers
- Portsmouth2–3Sheffield United
- Sheffield Wednesday5–3West Ham United
martes, 3 de febrero de 1931
- Grimsby Town5–3Derby County
miércoles, 4 de febrero de 1931
- Bolton Wanderers1–1Chelsea
- Sunderland8–2Blackburn Rovers
jueves, 5 de febrero de 1931
- Leicester City2–7Arsenal
sábado, 7 de febrero de 1931
- Birmingham4–1Blackburn Rovers
- Bolton Wanderers2–2Sheffield Wednesday
- Derby County5–1Portsmouth
- Huddersfield Town1–6Aston Villa
- Leicester City6–0Blackpool
- Liverpool4–2Newcastle United
- Manchester United1–3Manchester City
- Middlesbrough2–2Chelsea
- Sheffield United1–1Arsenal
- Sunderland4–0Leeds United
- West Ham United3–4Grimsby Town
sábado, 14 de febrero de 1931
- Arsenal6–3Derby County
- Manchester United1–0West Ham United
- Newcastle United0–5Middlesbrough
- Sheffield Wednesday3–5Liverpool
martes, 17 de febrero de 1931
- Grimsby Town4–1Bolton Wanderers
miércoles, 18 de febrero de 1931
- Aston Villa4–2Sunderland
- Blackpool0–1Birmingham
- Chelsea1–2Huddersfield Town
- Leeds United1–3Leicester City
- Portsmouth1–1Manchester City
jueves, 19 de febrero de 1931
- Blackburn Rovers2–1Sheffield United
sábado, 21 de febrero de 1931
- Arsenal4–1Manchester United
- Birmingham0–4Aston Villa
- Blackburn Rovers1–0West Ham United
- Blackpool3–3Bolton Wanderers
- Derby County1–5Newcastle United
- Leeds United1–2Liverpool
- Leicester City1–2Huddersfield Town
- Manchester City2–0Sheffield Wednesday
- Portsmouth4–3Grimsby Town
- Sheffield United4–0Chelsea
- Sunderland1–1Middlesbrough
sábado, 28 de febrero de 1931
- Aston Villa4–2Leicester City
- Bolton Wanderers1–1Blackburn Rovers
- Grimsby Town3–5Manchester City
- Liverpool5–2Blackpool
- Middlesbrough5–0Leeds United
- Newcastle United1–0Sheffield United
- West Ham United2–4Arsenal
lunes, 2 de marzo de 1931
- Blackburn Rovers3–0Leicester City
sábado, 7 de marzo de 1931
- Arsenal0–0Huddersfield Town
- Birmingham0–0Manchester United
- Blackburn Rovers0–2Aston Villa
- Blackpool2–1Chelsea
- Derby County4–1Bolton Wanderers
- Leeds United1–0Newcastle United
- Leicester City0–1Grimsby Town
- Manchester City1–1Liverpool
- Portsmouth1–0Middlesbrough
- Sheffield United1–2West Ham United
- Sunderland5–1Sheffield Wednesday
miércoles, 11 de marzo de 1931
- Leeds United1–2Arsenal
sábado, 14 de marzo de 1931
- Aston Villa5–1Arsenal
- Bolton Wanderers6–2Sheffield United
- Chelsea3–2Blackburn Rovers
- Huddersfield Town1–3Portsmouth
- Liverpool0–0Derby County
- Middlesbrough4–1Manchester City
- Newcastle United0–2Blackpool
- Sheffield Wednesday2–1Leeds United
lunes, 16 de marzo de 1931
- Huddersfield Town2–0Sunderland
- Manchester United0–1Portsmouth
- West Ham United1–2Birmingham
sábado, 21 de marzo de 1931
- Arsenal2–0Sheffield Wednesday
- Birmingham1–2Middlesbrough
- Blackburn Rovers5–2Grimsby Town
- Blackpool5–1Manchester United
- Derby County1–1Aston Villa
- Leeds United3–0West Ham United
- Leicester City3–2Liverpool
- Manchester City2–0Chelsea
- Portsmouth1–2Newcastle United
- Sheffield United0–2Huddersfield Town
- Sunderland3–1Bolton Wanderers
martes, 24 de marzo de 1931
- Grimsby Town2–1Sunderland
miércoles, 25 de marzo de 1931
- Chelsea1–0Birmingham
- Manchester United0–0Leicester City
sábado, 28 de marzo de 1931
- Aston Villa4–1Blackpool
- Bolton Wanderers1–1Manchester City
- Chelsea1–0Leeds United
- Grimsby Town4–1Birmingham
- Huddersfield Town1–1Blackburn Rovers
- Liverpool3–1Portsmouth
- Manchester United1–2Sheffield United
- Middlesbrough2–5Arsenal
- Newcastle United2–0Sunderland
- Sheffield Wednesday4–0Leicester City
- West Ham United0–1Derby County
viernes, 3 de abril de 1931
- Blackpool1–0Derby County
- Grimsby Town4–1Middlesbrough
- Liverpool1–1Manchester United
- Manchester City3–0Blackburn Rovers
- Newcastle United1–1Huddersfield Town
- Portsmouth1–1Arsenal
- Sunderland1–0Birmingham
- West Ham United1–4Bolton Wanderers
sábado, 4 de abril de 1931
- Arsenal2–1Chelsea
- Birmingham0–2Bolton Wanderers
- Blackburn Rovers1–0Newcastle United
- Blackpool0–4Sheffield Wednesday
- Derby County1–2Middlesbrough
- Leeds United0–0Grimsby Town
- Leicester City1–1West Ham United
- Manchester City0–1Huddersfield Town
- Portsmouth5–0Aston Villa
- Sheffield United4–1Liverpool
- Sunderland1–2Manchester United
lunes, 6 de abril de 1931
- Arsenal1–1Portsmouth
- Birmingham1–0Sunderland
- Bolton Wanderers4–2West Ham United
- Chelsea1–0Leicester City
- Derby County3–2Blackpool
- Manchester United4–1Liverpool
- Sheffield United1–1Leeds United
martes, 7 de abril de 1931
- Aston Villa4–3Newcastle United
- Huddersfield Town1–1Sheffield Wednesday
- Leeds United4–0Sheffield United
- Leicester City2–1Chelsea
sábado, 11 de abril de 1931
- Aston Villa4–0Sheffield United
- Bolton Wanderers2–0Leeds United
- Chelsea1–1Derby County
- Grimsby Town0–1Arsenal
- Huddersfield Town1–0Birmingham
- Liverpool2–4Sunderland
- Manchester United0–1Blackburn Rovers
- Middlesbrough2–2Leicester City
- Newcastle United0–1Manchester City
- Sheffield Wednesday2–2Portsmouth
- West Ham United3–2Blackpool
miércoles, 15 de abril de 1931
- Liverpool0–0Birmingham
sábado, 18 de abril de 1931
- Arsenal3–1Liverpool
- Birmingham2–0Sheffield Wednesday
- Blackburn Rovers4–5Middlesbrough
- Blackpool1–1Huddersfield Town
- Derby County6–1Manchester United
- Leeds United0–2Aston Villa
- Leicester City3–1Newcastle United
- Manchester City1–1West Ham United
- Portsmouth1–0Bolton Wanderers
- Sheffield United2–1Grimsby Town
- Sunderland2–0Chelsea
lunes, 20 de abril de 1931
- Sheffield Wednesday3–2Derby County
sábado, 25 de abril de 1931
- Aston Villa4–2Manchester City
- Bolton Wanderers4–1Leicester City
- Chelsea2–0Portsmouth
- Grimsby Town6–2Blackpool
- Huddersfield Town3–0Derby County
- Middlesbrough4–1Sheffield United
- Newcastle United1–3Arsenal
- Sheffield Wednesday1–3Blackburn Rovers
- West Ham United0–3Sunderland
sábado, 2 de mayo de 1931
- Arsenal5–0Bolton Wanderers
- Birmingham2–1Leicester City
- Blackpool2–2Manchester City
- Chelsea1–1Newcastle United
- Grimsby Town2–1Huddersfield Town
- Leeds United3–1Derby County
- Liverpool2–0West Ham United
- Manchester United4–4Middlesbrough
- Portsmouth3–0Blackburn Rovers
- Sheffield Wednesday3–0Aston Villa
- Sunderland2–1Sheffield United