Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3372
Mikel Arteta (Arsenal) 2103
Marco Silva (Fulham) 1546
Eddie Howe (Newcastle United) 1416
Unai Emery (Aston Villa) 1058
Andoni Iraola (Bournemouth) 828
Daniel Farke (Leeds United) 813
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1546
Kieran McKenna (Ipswich Town) 1378
John Mousinho (Portsmouth) 978
Nathan Jones (Charlton Athletic) 598
Chris Davies (Birmingham City) 475
Paul Heckingbottom (Preston North End) 400
Frank Lampard (Coventry City) 300
Longest current tenure 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
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 5970
Andy Woodman (Bromley FC) 1640
Dean Brennan (Barnet) 1465
Paul Cook (Chesterfield) 1322
Lee Bell (Crewe Alexandra) 1055
Mat Sadler (Walsall) 889
Micky Mellon (Oldham Athletic) 712

  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)