Rubuta ci gaba don wannan sakin layi - Barrett ya fara bugawa Jamaica wasan kwallon kafa na kasa a shekarar 1990 da Barbados. Ya jagoranci kasarsa a gasar cin kofin duniya ta FIFA ta 1998. A cewar Hukumar Kwallon Kafa ta Jamaica, Barrett ya samu wasanni 127 a kasarsa, amma FIFA ba ta amince da wannan adadi ba saboda JFF ta hada da dukkan wasannin, har ma da kungiyoyin kulob, matasa ko kungiyoyin wasannin Olympics. Ya buga wasan karshe na FIFA a shekarar 2000 da Honduras a gasar 2000 CONCACAF Gold Cup.
; ya shigo a matsayin mai maye gurbin dan wasan tsakiya Winston Griffiths yayin da aka fitar da Aaron Lawrence. Ya yi aure tare da 'ya'ya uku, Ashley, Warren Jr. da Moya.