Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3459
Mikel Arteta (Arsenal) 2190
Marco Silva (Fulham) 1633
Eddie Howe (Newcastle United) 1503
Unai Emery (Aston Villa) 1145
Andoni Iraola (Bournemouth) 915
Daniel Farke (Leeds United) 900
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1633
Kieran McKenna (Ipswich Town) 1465
John Mousinho (Portsmouth) 1065
Nathan Jones (Charlton Athletic) 685
Chris Davies (Birmingham City) 562
Paul Heckingbottom (Preston North End) 487
Frank Lampard (Coventry City) 387
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1870
Dave Challinor (Stockport County) 1509
Richie Wellens (Leyton Orient) 1382
Johnnie Jackson (AFC Wimbledon) 1314
Gary Caldwell (Exeter City) 1153
Grant McCann (Doncaster Rovers) 953
Graham Alexander (Bradford City) 775
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6057
Andy Woodman (Bromley FC) 1727
Dean Brennan (Barnet) 1552
Paul Cook (Chesterfield) 1409
Lee Bell (Crewe Alexandra) 1142
Mat Sadler (Walsall) 976
Micky Mellon (Oldham Athletic) 799

  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)