相关fastball的文学知识

Buthisregularfour-seamfastballislegit,too.Kidsgiveyouanexcusetoworkonyourfastball.Right-handedhitterslookawayforthefastballandreacttothedeuce.SorianohitPeavy'sfirstpitch,a90-mphfastball,downtheleft-f...