Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3451
Mikel Arteta (Arsenal) 2182
Marco Silva (Fulham) 1625
Eddie Howe (Newcastle United) 1495
Unai Emery (Aston Villa) 1137
Andoni Iraola (Bournemouth) 907
Daniel Farke (Leeds United) 892
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1625
Kieran McKenna (Ipswich Town) 1457
John Mousinho (Portsmouth) 1057
Nathan Jones (Charlton Athletic) 677
Chris Davies (Birmingham City) 554
Paul Heckingbottom (Preston North End) 479
Frank Lampard (Coventry City) 379
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 1862
Dave Challinor (Stockport County) 1501
Richie Wellens (Leyton Orient) 1374
Johnnie Jackson (AFC Wimbledon) 1306
Gary Caldwell (Exeter City) 1145
Grant McCann (Doncaster Rovers) 945
Graham Alexander (Bradford City) 767
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6049
Andy Woodman (Bromley FC) 1719
Dean Brennan (Barnet) 1544
Paul Cook (Chesterfield) 1401
Lee Bell (Crewe Alexandra) 1134
Mat Sadler (Walsall) 968
Micky Mellon (Oldham Athletic) 791

  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)