Wednesday have been the best defenders in the top division on 4 occasions, twice before the First World War, once in the inter war period and once post war.

Best Defending Team

1902/03 - 36 goals - (Champions)
1903/04 - 28 goals - (Champions)
1929/30 - 57 goals - (Champions)
1960/61 - 47 goals - (2nd)

2nd Best Defending Team

1896/97 - 37 goals - (6th)

3rd Best Defending Team

1928/29 - 62 goals - Champions
1961/62 - 58 goals - (6th)
1984/85 - 45 goals - (8th)

United

Best Defending Team

1896/97 - 29 goals - (2nd)
1899/00 - 33 goals - (2nd)
1909/10 - 41 goals - (6th)

2nd Best Defending Team

1897/98 - 31 goals - (Champions)
1914/15 - 41 goals - (6th)