For the next 11 seasons, Oldham failed to reach the First Division again as the club averaged a mid-table finish under managers Robert Mellor, Andrew Wilson, and Jimmy McMullan.
After the return of competitive football once more, Oldham failed to regain promotion under Frank Womack and Billy Wootton.
George Hardwick became manager in 1950–51 and led the club to promotion in 1952–53 by winning the league, but were relegated once more as they finished in last place the following season.
The club finished with mid-table results under managers Les McDowall, Gordon Hurst, and Jimmy McIlroy—with McIlroy winning the only trophy, by way the Lancashire Senior Cup.
After a midtable result in their first season, the club missed out on promotion—finishing in fourth place, seven points behind league champions Bolton Wanderers.
In their first season back in the top flight, the club finished in 17th and became one of the founding members of the newly formed Premier League.
[4] In the mid-1990s, Oldham began to falter as they were relegated back to the Second Division under manager Neil Warnock following two lower-half finishes under Graeme Sharp.
In 2001, Oldham Athletic was purchased by Oxford-based businessman Chris Moore who sacked Ritchie as part of a restructuring of the club's coaching set-up.
[10] Ronnie Moore replaced Talbot in March 2005 and managed Oldham until June 2006, winning another Lancashire Senior Cup for the club in the process.
[19] Dickov resigned on 3 February 2013 following a poor run of league form, despite having led Oldham to victory over Liverpool in the FA Cup 4th round.
On 11 February 2019, the club announced they had appointed former Manchester United player Paul Scholes as their manager on a one-and-a-half-year contract.
[22][23] Scholes, who had spent his entire career at United, resigned after seven matches (one win, three draws, three defeats),[24] following Lemsagam's attempted interference in team selection.
[25] On 22 March 2019, Pete Wild was named head coach on interim basis until the end of the season (his second spell in charge).
Sheridan succeeded him for a sixth spell in charge before stepping down in September 2022 after the club had dropped into the National League,[27] to be replaced by David Unsworth.