Nearly half of American minor league players are Dominican and some 90 players are playing at an elite level in the Major League , including some of America 's biggest names ( many , now , sadly , tainted by the seemingly never-ending steroid scandal ) : the hulking Red Sox power hitter David Ortiz ; the swinging savant Manny Ramirez , now on the Dodgers ; and ace pitcher Martinez , whose rocketing fastball has turned some of the best batters in the Majors into human windmills .