He made his league debut, as a last minute substitute for Gianfranco Zola in the 1–0 win away to Wimbledon on 22 April 1997.
The game ended within a minute of his entering play, and it turned out to be his only appearance for Chelsea,[1] giving him the record for the shortest Premier League career.
[2][3] He left Chelsea in February 2000, joining AFC Bournemouth, and scored a spectacular hooked goal on his home debut against Oldham Athletic.
In the summer of 2002 Sheerin attended trials for AFC Wimbledon and was made captain of the newly formed side.
[citation needed] He was sent off in the preliminary round of the FA Cup against Dartford on 1 September 2007 for throwing a punch.