 During his career , Getzein 's drew acclaim for his curveball . Getzein 's version of the pitch was sometimes referred to as the " pretzel curve . " Sporting Life described Getzein 's unusual delivery as follows : " In delivering his ' pretzels ' ' Getz ' faces third base with one foot in either corner of the lower end of the box . Bending the left knee slightly , he draws his right arm well back . Then , straightening up quickly , he slides the left foot forward with a characteristic little skip , and , bringing his arm around with a swift overhand swing , drives the ball in at a lively pace . " 
