[2] After two seasons in Trinidad and Tobago, in 1996 Prosper moved to Lebanon, joining Lebanese Premier League reigning champions Al Ansar.
[1] He left United Petrotrin in July 2007 to return to Lebanon once again, signing with Al Mabarra;[7] he won the 2007–08 Lebanese FA Cup.
[7] He made his senior debut for Trinidad and Tobago on 21 March 1996, in a friendly against Colombia; the match ended in a 3–0 away defeat.
[8] His first goals came in the form on a brace against Saint Kitts and Nevis in the 1997 Caribbean Cup, on 13 July 1997, scoring twice to help his side win 4–0.
[8] Prosper represented Trinidad and Tobago at the 1998 CONCACAF Gold Cup, coming on as a substitute against Mexico in a 4–2 defeat on 4 February 1998.