[4] Fjørtoft failed to find the net until after Christmas but scored 13 goals from his final 17 games, including a hat-trick in a 3–1 win against Coventry City on 5 February 1994.

He was a regular player throughout the 1995–96 campaign and, as the Norwegian partnered Brazilian playmaker Juninho, Boro finished in a respectable 12th place; although they had occupied fourth place in late autumn, a disastrous run of form coinciding with an injury crisis during mid-season sabotaged their hopes of European qualification or a title challenge.

[8] However, the arrival of Italian forward Fabrizio Ravanelli pushed him down the pecking order for the 1996–97 season, and he was sold to First Division promotion chasers Sheffield United for £700,000 on 31 January 1997.

In his final game for Middlesbrough Fjørtoft scored a crucial goal against Hednesford Town in the fourth round of the FA Cup.

After the Blades lost to Crystal Palace in the playoff final, he played at United until 15 January 1998, when he joined newly promoted Barnsley to have another crack at the Premiership.

He was unable though, to prevent Barnsley's only season at Premier League level ending in relegation, although scoring a respectable six goals in 15 Premiership games.

While playing in England, Jan Åge Fjørtoft was a guest and worked regularly for Sky as they were developing a new way of presenting football on TV.

Fjørtoft has been a constant presence in the media landscape since 2002, contributing to various TV channels such as Viaplay, Sky Germany, ESPN, and ServusTV in various punditry roles.

He later became a pundit on ESPN FC[11] and according to a January 2022 segment he did, he believes his goal scoring statistics on Wikipedia are incorrect and wishes them to be corrected.

From 2016 to 2019, he served as a Strategic Advisor alongside Rune Andersen for the vice president of the World Anti-Doping Agency (WADA), Linda Hofstad Helleland.

A noteworthy achievement during this period was a collaborative effort with Helleland, conceptualizing and executing an Anti-Doping Conference at the White House in Washington D.C.

Since 2008, Fjørtoft has served as an advisor to the Norwegian Football Association, actively participating in the "Handshake for Peace" initiative from its inception when the founder, Kjetil Siem, conceived the idea.

Additionally, from 2008 onwards, he advised the Norwegian Football Association, playing a vital role in the "Handshake for Peace" initiative.