He started his career with Woking but went on to make a name for himself with Fulham where he became part of the squad that earned promotions in 1999 and 2001 that made the club a Premier League team.

Betsy made 94 league appearances, scoring 15 goals in a two-year period with the Tykes before moving to Hartlepool United.

Betsy started his career at Woking, representing England at semi professional level and being named Conference Player of the Year in 1998.

[citation needed] In September 1998, Betsy was signed by Fulham for a fee of £80,000, which would potentially rise to £125,000,[3] with manager Kevin Keegan describing him as one of the best young players he had seen at his age.

[citation needed] Betsy had a short loan spell with Hartlepool United in August 2004, making six appearances and scoring once.

Betsy's last game for Wycombe was a notable one, the League Cup semi final defeat against the eventual winners Chelsea at Stamford Bridge.

[22][23] On 15 January 2010, after a successful loan, Betsy signed for Wycombe on a permanent basis until the end of the season, having been released from Southend.

[24] Betsy also led the team in assists with eight, scoring five goals and being voted (OWWSA) Wycombe Supporters Player of the year.

[25] Betsy was a regular in the Wycombe promotion side in 2010–11, but found first team opportunities limited in 2011–12, and left the club by mutual consent on 20 December 2011.

After re-joining he has made a big impact in the team and in his fourth game back, he won two penalties in the space of five minutes.

Betsy is of Seychellois descent and, after having rejected the chance to play for the Seychelles national team in 2005,[27] was finally called into the squad and made his international debut against a visiting French league side on 3 June 2011, scoring twice in a 3–0 friendly victory.

[33] On 6 June 2022, Betsy was announced as the new manager of EFL League Two club Crawley Town on an initial two-year contract.

[37] On 3 July 2024, he left Cambridge to join Championship club Queens Park Rangers as the first team individual development coach.