Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3428
Mikel Arteta (Arsenal) 2159
Marco Silva (Fulham) 1602
Eddie Howe (Newcastle United) 1472
Unai Emery (Aston Villa) 1114
Andoni Iraola (Bournemouth) 884
Daniel Farke (Leeds United) 869
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1602
Kieran McKenna (Ipswich Town) 1434
John Mousinho (Portsmouth) 1034
Nathan Jones (Charlton Athletic) 654
Chris Davies (Birmingham City) 531
Paul Heckingbottom (Preston North End) 456
Frank Lampard (Coventry City) 356
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1839
Dave Challinor (Stockport County) 1478
Richie Wellens (Leyton Orient) 1351
Johnnie Jackson (AFC Wimbledon) 1283
Gary Caldwell (Exeter City) 1122
Grant McCann (Doncaster Rovers) 922
Graham Alexander (Bradford City) 744
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6026
Andy Woodman (Bromley FC) 1696
Dean Brennan (Barnet) 1521
Paul Cook (Chesterfield) 1378
Lee Bell (Crewe Alexandra) 1111
Mat Sadler (Walsall) 945
Micky Mellon (Oldham Athletic) 768

  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)