 Ramba uchinyora ndima iyi - Kutanga muna 2008, Greene akadzidzira baseball paMajor League Baseball MLB Urban Youth Academy muCompton, California. Akatamba muUnited States national baseball team mu2015 18-uye pasi peBaseball World Cup, uko United States yakakunda menduru yegoridhe. Greene akaenda kuNotre Dame High School muSherman Oaks, Los Angeles, California, kwaakatamba kuchikwata chebhora chechikoro semupfuri uye mupfupi. Akapedza basa rake rechikoro chesekondari ne 1.62 yakawana run run ERA uye.324 batting average, kusanganisira 0.75 ERA mugore rake rekupedzisira. Akatora chikamu muJunior Home Run Derby pa2016 Major League Baseball All-Star Game, uye akakunda. 