Longest current tenure in League One

Longest-serving managers in League One
Manager Days
Nigel Clough (Mansfield Town) 1869
Dave Challinor (Stockport County) 1508
Richie Wellens (Leyton Orient) 1381
Johnnie Jackson (AFC Wimbledon) 1313
Gary Caldwell (Exeter City) 1152
Grant McCann (Doncaster Rovers) 952
Graham Alexander (Bradford City) 774
Michael Skubala (Lincoln City) 767
Darren Moore (Port Vale) 675
Alex Revell (Stevenage) 611
Gary Bowyer (Burton Albion) 367
Kevin Nolan (Northampton Town) 361
Steven Schumacher (Bolton Wanderers) 323
Conor Hourihane (Barnsley) 282
Ryan Lowe (Wigan Athletic) 282
Matt Hamshaw (Rotherham United) 264
Lee Grant (Huddersfield Town) 205
Tom Cleverley (Plymouth Argyle) 189
Brian Barry-Murphy (Cardiff City) 186
Michael Duff (Wycombe Wanderers) 92
Jack Wilshere (Luton Town) 67
Ian Evatt (Blackpool) 59
Leam Richardson (Reading) 52
Luke Williams (Peterborough United) 51