curveball Definition

fastball, changeup, forkball, slider, knuckleball, sinker, knuckler, screwball, strikeout, lefty, bullpen, righty, right hander, footwork, pickoff, velocity, inning, fireballer, baserunning, bat, ball, pitchout, quickness, catcher, southpaw, infield, backspin, pitches, fielder, hurler, topspin, curve, shortstop, sidearm, baserunner, backhand, centerfield, swing, hitters, splitter, pitchers, change up, groundball, windup, bunter, bloop, mound, dribbler, rightfield, groundouts, lefthander, seamer, lidge, righthander, batters, relievers, groove, bigs, rosin bag, cutter, ballgame, pinch hitter, chin music, athleticism, wandy, infielders, nibbler, hander, chatwood, layner, fungo, ump, mitt, scherzer, granderson, grounders, crossover dribble, center fielder, benbow, earned run, blitzer, headpin, hempy, perfecto, leadoff, catchable, inswing, outfielders, progressions, concert pitch, earflap, centerfielder, trochil, forehands, closers, pitch, safeties, downfield, dart thrower, picher,