Longest current tenure in League One

Longest-serving managers in League One
Manager Days
Nigel Clough (Mansfield Town) 1862
Dave Challinor (Stockport County) 1501
Richie Wellens (Leyton Orient) 1374
Johnnie Jackson (AFC Wimbledon) 1306
Gary Caldwell (Exeter City) 1145
Grant McCann (Doncaster Rovers) 945
Graham Alexander (Bradford City) 767
Michael Skubala (Lincoln City) 760
Darren Moore (Port Vale) 668
Alex Revell (Stevenage) 604
Gary Bowyer (Burton Albion) 360
Kevin Nolan (Northampton Town) 354
Steven Schumacher (Bolton Wanderers) 316
Conor Hourihane (Barnsley) 275
Ryan Lowe (Wigan Athletic) 275
Matt Hamshaw (Rotherham United) 257
Lee Grant (Huddersfield Town) 198
Tom Cleverley (Plymouth Argyle) 182
Brian Barry-Murphy (Cardiff City) 179
Michael Duff (Wycombe Wanderers) 85
Jack Wilshere (Luton Town) 60
Ian Evatt (Blackpool) 52
Leam Richardson (Reading) 45
Luke Williams (Peterborough United) 44