Longest current tenure in League One

Longest-serving managers in League One
Manager Days
Nigel Clough (Mansfield Town) 1804
Dave Challinor (Stockport County) 1443
Richie Wellens (Leyton Orient) 1316
Johnnie Jackson (AFC Wimbledon) 1248
Gary Caldwell (Exeter City) 1087
Darren Ferguson (Peterborough United) 1015
Grant McCann (Doncaster Rovers) 887
Graham Alexander (Bradford City) 709
Michael Skubala (Lincoln City) 702
Darren Moore (Port Vale) 610
Alex Revell (Stevenage) 546
Noel Hunt (Reading) 313
Gary Bowyer (Burton Albion) 302
Kevin Nolan (Northampton Town) 296
Steven Schumacher (Bolton Wanderers) 258
Conor Hourihane (Barnsley) 217
Ryan Lowe (Wigan Athletic) 217
Matt Hamshaw (Rotherham United) 199
Lee Grant (Huddersfield Town) 140
Tom Cleverley (Plymouth Argyle) 124
Brian Barry-Murphy (Cardiff City) 121
Michael Duff (Wycombe Wanderers) 27
Stephen Dobbie (Blackpool) 11
Steve Banks (Blackpool) 11
Jack Wilshere (Luton Town) 2