 Prosper akamiririra Trinidad neTobago pa 1998 CONCACAF Gold Cup, achiuya semutambi achitsiva Mexico mukukundwa ne 42 musi wa 4 Kukadzi 1998. Musi wa 5 Chikumi 1999, akarova hat-trick vachipesana neGrenada pa1999 Caribbean Cup; rutivi rwake rwakakunda musangano 70. Prosper akawana huwandu hwemakwikwi epasirese gumi nemanomwe eTrinidad neTobago pakati pa17 na1996, achihwina zvibodzwa zvinomwe. 