Longest current tenure

Longest current tenure in Premier League
Manager Days
Jürgen Klopp (Liverpool) 3144
Pep Guardiola (Manchester City) 2877
Thomas Frank (Brentford) 2040
Mikel Arteta (Arsenal) 1608
David Moyes (West Ham United) 1600
Marco Silva (Fulham) 1051
Eddie Howe (Newcastle United) 921
Longest current tenure in Championship
Manager Days
Mark Robins (Coventry City) 2629
Ryan Lowe (Preston North End) 892
Kieran McKenna (Ipswich Town) 883
Michael Carrick (Middlesbrough) 571
Carlos Corberán (West Bromwich Albion) 570
Erol Bulut (Cardiff City) 349
Enzo Maresca (Leicester City) 336
Longest current tenure in League One
Manager Days
Ian Evatt (Bolton Wanderers) 1416
Jon Brady (Northampton Town) 1192
Paul Simpson (Carlisle United) 814
Richie Wellens (Leyton Orient) 800
Paul Warne (Derby County) 603
Gary Caldwell (Exeter City) 571
Darren Ferguson (Peterborough United) 499
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 5475
Nigel Clough (Mansfield Town) 1288
Phil Parkinson (Wrexham) 1051
Dave Challinor (Stockport County) 927
Johnnie Jackson (AFC Wimbledon) 732
Pete Wild (Barrow) 721
Graham Coughlan (Newport County) 575
  The longest managerial reign of all time in the English football league belongs to Fred Everiss, who was manager of West Bromwich Albion for over 45 years (from 1902 to 1948)