He spent two more seasons at Stoke helping the club again reach the play-offs and win the Football League Trophy in 2000.

[2] The 1992–93 season saw his best form as he played in every league and cup game, making 56 appearances, as West Ham were promoted.

His final game for West Ham was the 2–0 home win over Cambridge United in May 1993 that clinched promotion to the newly created Premiership.

[6] He formed a decent midfielder partnership with Ray Wallace as Stoke made a push for promotion to the Premier League in 1995–96 season.

He scored the winning goal in the first Potteries derby at the new stadium but it was a terrible season for Stoke as they finished in 23rd position and were relegated to Division Two.

[6] Keen joined Macclesfield Town on a free transfer and made his debut in a 3–1 home defeat to Middlesbrough in the 3rd round of the League Cup in September 2000.

[18] Keen was appointed again as caretaker-manager of West Ham, for their last game of the 2010–11 season, following the sacking of their previous manager, Avram Grant on 15 May 2011.

[19] On 3 July 2011, Keen left West Ham to join Liverpool as first-team coach in the backroom team under Kenny Dalglish.

[22] On 3 July 2012 it was announced Keen had joined West Bromwich Albion as joint assistant head coach.

[26] After leaving his managerial role at Colchester United, Keen returned to coaching by joining Crystal Palace in July 2016.

[29] Keen was handed his first permanent managerial position on 21 December 2015 when he was named Tony Humes' successor at League One club Colchester United.

[31] He earned his first win as Colchester manager on 9 January 2016 against Championship opposition as his side defeated Charlton Athletic 2–1 in the FA Cup third round.

[33] He was nominated for the League One 'Manager of the Month' award for March after improving Colchester's fortunes, but lost out to Barnsley caretaker manager Paul Heckingbottom.

[34] Despite Keen leading his side to a late season upturn in form, Colchester were relegated to the fourth tier of English football for the first time in 18-years after suffering a 3–0 home defeat to Burton Albion on 23 April 2016.