Cal Paul Quantrill is a Canadian professional baseball pitcher for the Texas Rangers of Major League Baseball (MLB). He has previously played in MLB for the San Diego Padres, Cleveland Indians / Guardians, Colorado Rockies, Miami Marlins, and Atlanta Braves. Quantrill played college baseball for the Stanford Cardinal. He was selected in the first round of the 2016 MLB draft by the Padres, and made his MLB debut with them in 2019.