fastball Definition

heater, bullet, smoke, hummer, seam, curveball, changeup, sinker, forkball, slider, knuckleball, knuckler, bullpen, strikeout, velocity, fireballer, righty, right hander, lefty, inning, screwball, reliever, bat, outfield, fielder, centerfield, hurler, southpaw, pickoff, infield, catcher, baserunning, shortstop, homeruns, ball, quickness, centerfielder, footwork, homerun, baseman, pitchout, backspin, downfield, pitches, pitchers, rightfield, hitters, mound, groundball, seamer, change up, splitter, bunter, bloop, righthander, chin music, lefthander, homer, windup, lidge, batters, leadoff, groundouts, center fielder, grounders, infielders, pinch hitter, dribbler, forehands, granderson, concert pitch, earflap, koufax, hitter, topspin, rosin bag, pitch, trachsel, ump, bigs, wandy, hander, scherzer, ballgame, fungo, layner, leftfield, chatwood, outfielders, earned run, trapezius muscle, athleticism, designated hitter, safeties, explosiveness, cutter, leaguer, straightaway, sluggers, crede,