Longest current tenure in League One

Longest-serving managers in League One
Manager Days
Nigel Clough (Mansfield Town) 1783
Dave Challinor (Stockport County) 1422
Richie Wellens (Leyton Orient) 1295
Johnnie Jackson (AFC Wimbledon) 1227
Gary Caldwell (Exeter City) 1066
Darren Ferguson (Peterborough United) 994
Grant McCann (Doncaster Rovers) 866
Graham Alexander (Bradford City) 688
Michael Skubala (Lincoln City) 681
Darren Moore (Port Vale) 589
Alex Revell (Stevenage) 525
Steve Bruce (Blackpool) 386
Noel Hunt (Reading) 292
Gary Bowyer (Burton Albion) 281
Kevin Nolan (Northampton Town) 275
Matt Bloomfield (Luton Town) 253
Steven Schumacher (Bolton Wanderers) 237
Conor Hourihane (Barnsley) 196
Ryan Lowe (Wigan Athletic) 196
Matt Hamshaw (Rotherham United) 178
Lee Grant (Huddersfield Town) 119
Tom Cleverley (Plymouth Argyle) 103
Brian Barry-Murphy (Cardiff City) 100
Michael Duff (Wycombe Wanderers) 6