Longest current tenure in League One

Longest-serving managers in League One
Manager Days
Nigel Clough (Mansfield Town) 1890
Dave Challinor (Stockport County) 1529
Richie Wellens (Leyton Orient) 1402
Johnnie Jackson (AFC Wimbledon) 1334
Gary Caldwell (Exeter City) 1173
Grant McCann (Doncaster Rovers) 973
Graham Alexander (Bradford City) 795
Michael Skubala (Lincoln City) 788
Alex Revell (Stevenage) 632
Gary Bowyer (Burton Albion) 388
Kevin Nolan (Northampton Town) 382
Steven Schumacher (Bolton Wanderers) 344
Conor Hourihane (Barnsley) 303
Ryan Lowe (Wigan Athletic) 303
Matt Hamshaw (Rotherham United) 285
Lee Grant (Huddersfield Town) 226
Tom Cleverley (Plymouth Argyle) 210
Brian Barry-Murphy (Cardiff City) 207
Michael Duff (Wycombe Wanderers) 113
Jack Wilshere (Luton Town) 88
Ian Evatt (Blackpool) 80
Leam Richardson (Reading) 73
Luke Williams (Peterborough United) 72
Jon Brady (Port Vale) 3