Longest current tenure in League One

Longest-serving managers in League One
Manager Days
Nigel Clough (Mansfield Town) 1951
Dave Challinor (Stockport County) 1590
Richie Wellens (Leyton Orient) 1463
Johnnie Jackson (AFC Wimbledon) 1395
Grant McCann (Doncaster Rovers) 1034
Graham Alexander (Bradford City) 856
Michael Skubala (Lincoln City) 849
Alex Revell (Stevenage) 693
Gary Bowyer (Burton Albion) 449
Steven Schumacher (Bolton Wanderers) 405
Conor Hourihane (Barnsley) 364
Matt Hamshaw (Rotherham United) 346
Tom Cleverley (Plymouth Argyle) 271
Brian Barry-Murphy (Cardiff City) 268
Michael Duff (Wycombe Wanderers) 174
Jack Wilshere (Luton Town) 149
Ian Evatt (Blackpool) 141
Leam Richardson (Reading) 134
Luke Williams (Peterborough United) 133
Jon Brady (Port Vale) 64
Liam Manning (Huddersfield Town) 50
Gary Caldwell (Wigan Athletic) 23
Matt Taylor (Exeter City) 8
Colin Calderwood (Northampton Town) 2