Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3350
Mikel Arteta (Arsenal) 2081
Marco Silva (Fulham) 1524
Eddie Howe (Newcastle United) 1394
Unai Emery (Aston Villa) 1036
Andoni Iraola (Bournemouth) 806
Daniel Farke (Leeds United) 791
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1524
Kieran McKenna (Ipswich Town) 1356
John Mousinho (Portsmouth) 956
Nathan Jones (Charlton Athletic) 576
Chris Davies (Birmingham City) 453
Paul Heckingbottom (Preston North End) 378
Frank Lampard (Coventry City) 278
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1761
Dave Challinor (Stockport County) 1400
Richie Wellens (Leyton Orient) 1273
Johnnie Jackson (AFC Wimbledon) 1205
Gary Caldwell (Exeter City) 1044
Darren Ferguson (Peterborough United) 972
Grant McCann (Doncaster Rovers) 844
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 5948
Andy Woodman (Bromley FC) 1618
Dean Brennan (Barnet) 1443
Paul Cook (Chesterfield) 1300
Lee Bell (Crewe Alexandra) 1033
Mat Sadler (Walsall) 867
Micky Mellon (Oldham Athletic) 690

  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)