Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3446
Mikel Arteta (Arsenal) 2177
Marco Silva (Fulham) 1620
Eddie Howe (Newcastle United) 1490
Unai Emery (Aston Villa) 1132
Andoni Iraola (Bournemouth) 902
Daniel Farke (Leeds United) 887
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1620
Kieran McKenna (Ipswich Town) 1452
John Mousinho (Portsmouth) 1052
Nathan Jones (Charlton Athletic) 672
Chris Davies (Birmingham City) 549
Paul Heckingbottom (Preston North End) 474
Frank Lampard (Coventry City) 374
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1857
Dave Challinor (Stockport County) 1496
Richie Wellens (Leyton Orient) 1369
Johnnie Jackson (AFC Wimbledon) 1301
Gary Caldwell (Exeter City) 1140
Grant McCann (Doncaster Rovers) 940
Graham Alexander (Bradford City) 762
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6044
Andy Woodman (Bromley FC) 1714
Dean Brennan (Barnet) 1539
Paul Cook (Chesterfield) 1396
Lee Bell (Crewe Alexandra) 1129
Mat Sadler (Walsall) 963
Micky Mellon (Oldham Athletic) 786

  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)