Longest current tenure in League One

Manager Days
Nigel Clough (Mansfield Town) 1999
Dave Challinor (Stockport County) 1638
Richie Wellens (Leyton Orient) 1511
Johnnie Jackson (AFC Wimbledon) 1443
Grant McCann (Doncaster Rovers) 1082
Graham Alexander (Bradford City) 904
Michael Skubala (Lincoln City) 897
Alex Revell (Stevenage) 741
Gary Bowyer (Burton Albion) 497
Steven Schumacher (Bolton Wanderers) 453
Conor Hourihane (Barnsley) 412
Tom Cleverley (Plymouth Argyle) 319
Brian Barry-Murphy (Cardiff City) 316
Michael Duff (Wycombe Wanderers) 222
Jack Wilshere (Luton Town) 197
Ian Evatt (Blackpool) 189
Leam Richardson (Reading) 182
Luke Williams (Peterborough United) 181
Jon Brady (Port Vale) 112
Liam Manning (Huddersfield Town) 98
Gary Caldwell (Wigan Athletic) 71
Matt Taylor (Exeter City) 56
Colin Calderwood (Northampton Town) 50
Lee Clark (Rotherham United) 41