Longest current tenure in League One

Manager Days
Nigel Clough (Mansfield Town) 2005
Dave Challinor (Stockport County) 1644
Richie Wellens (Leyton Orient) 1517
Johnnie Jackson (AFC Wimbledon) 1449
Grant McCann (Doncaster Rovers) 1088
Graham Alexander (Bradford City) 910
Michael Skubala (Lincoln City) 903
Alex Revell (Stevenage) 747
Gary Bowyer (Burton Albion) 503
Steven Schumacher (Bolton Wanderers) 459
Conor Hourihane (Barnsley) 418
Tom Cleverley (Plymouth Argyle) 325
Brian Barry-Murphy (Cardiff City) 322
Michael Duff (Wycombe Wanderers) 228
Jack Wilshere (Luton Town) 203
Ian Evatt (Blackpool) 195
Leam Richardson (Reading) 188
Luke Williams (Peterborough United) 187
Jon Brady (Port Vale) 118
Liam Manning (Huddersfield Town) 104
Gary Caldwell (Wigan Athletic) 77
Matt Taylor (Exeter City) 62
Colin Calderwood (Northampton Town) 56
Lee Clark (Rotherham United) 47