Pedzisa mutsara unotevera: Barrett akaita mutambo wake wokutanga nokuda kwechikwata chenhabvu chenyika yeJamaica muna 1990 vachirwa neBarbados. Akatungamira nyika yake pa 1998 FIFA World Cup. Maererano neJamaica Football Federation, Barrett akawana 127 caps yenyika yake, asi nhamba iyi haina kubvumwa zviri pamutemo neFIFA nekuti JFF inosanganisira mitambo yese, kunyangwe ichipesana nemakirabhu, vechidiki kana zvikwata zveOlympic. Akatamba mutambo wake wekupedzisira weFIFA muna 2000 vachipesana neHonduras mu
2000 CONCACAF Gold Cup; akauya achitsiva mutambi wepakati Winston Griffiths apo Aaron Lawrence akadzingwa. Akaroora ane vana vatatu, Ashley, Warren Jr. naMoya.