Longest current tenure

Longest current tenure in Premier League
Manager Days
Pep Guardiola (Manchester City) 3594
Mikel Arteta (Arsenal) 2325
Marco Silva (Fulham) 1768
Eddie Howe (Newcastle United) 1638
Unai Emery (Aston Villa) 1280
Andoni Iraola (Bournemouth) 1050
Daniel Farke (Leeds United) 1035
Longest current tenure in Championship
Manager Days
Phil Parkinson (Wrexham) 1768
Kieran McKenna (Ipswich Town) 1600
John Mousinho (Portsmouth) 1200
Nathan Jones (Charlton Athletic) 820
Chris Davies (Birmingham City) 697
Paul Heckingbottom (Preston North End) 622
Frank Lampard (Coventry City) 522
Longest current tenure in League One
Manager Days
Nigel Clough (Mansfield Town) 2005
Dave Challinor (Stockport County) 1644
Richie Wellens (Leyton Orient) 1517
Johnnie Jackson (AFC Wimbledon) 1449
Grant McCann (Doncaster Rovers) 1088
Graham Alexander (Bradford City) 910
Michael Skubala (Lincoln City) 903
Longest current tenure in League Two
Manager Days
Simon Weaver (Harrogate Town) 6192
Andy Woodman (Bromley FC) 1862
Dean Brennan (Barnet) 1687
Paul Cook (Chesterfield) 1544
Lee Bell (Crewe Alexandra) 1277
Micky Mellon (Oldham Athletic) 934
David Artell (Grimsby Town) 889

  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)