They stayed in the top flight for three years, becoming founder members of the FA Premier League in 1992, and reached another FA Cup semi-final in 1994, where Oldham took a 1–0 lead against Manchester United in extra time before a late equaliser forced a replay, which Oldham lost 4–1.
Most notably in the 2–2 draw at Southampton he scored in the dying seconds to keep the Latics in the competition, also the equaliser in the replay of the FA Cup semi final against his former club which forced the game into extra time (although the result ended 2–1 to Manchester United).
The following season despite a bad start he managed to turn the fortunes around with some impressive displays, most notably the endings of top of the table Wigan's unbeaten record.
After a successful spell back at Elland Road in charge of Youth Development, Ritchie left to become Paul Hart's assistant at Barnsley.
Ritchie was approached by Sheffield Wednesday about their vacant manager's position, following the sacking of Paul Sturrock in October 2006.
The highlight was undoubtedly the FA Cup run which saw Town win against Birmingham City and before bowing out to Premier League outfit Chelsea in the 5th Round, the first time the club had been that far for 10 years.
He is currently doing punditry for BBC Radio Leeds and MUTV (Manchester United TV),[8] and was in the frame for the vacant manager's job at Football League Two side Grimsby Town, following the sacking of Alan Buckley.