Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3438
Mikel Arteta (Arsenal) 2169
Marco Silva (Fulham) 1612
Eddie Howe (Newcastle United) 1482
Unai Emery (Aston Villa) 1124
Andoni Iraola (Bournemouth) 894
Daniel Farke (Leeds United) 879
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1612
Kieran McKenna (Ipswich Town) 1444
John Mousinho (Portsmouth) 1044
Nathan Jones (Charlton Athletic) 664
Chris Davies (Birmingham City) 541
Paul Heckingbottom (Preston North End) 466
Frank Lampard (Coventry City) 366
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1849
Dave Challinor (Stockport County) 1488
Richie Wellens (Leyton Orient) 1361
Johnnie Jackson (AFC Wimbledon) 1293
Gary Caldwell (Exeter City) 1132
Grant McCann (Doncaster Rovers) 932
Graham Alexander (Bradford City) 754
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6036
Andy Woodman (Bromley FC) 1706
Dean Brennan (Barnet) 1531
Paul Cook (Chesterfield) 1388
Lee Bell (Crewe Alexandra) 1121
Mat Sadler (Walsall) 955
Micky Mellon (Oldham Athletic) 778

  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)