Sophomore Danielle Henderson hit two home runs and senior Jolene Henderson pitched a two-hitter, lifting the Bears (37-17) to an 8-1 win over Central Michigan in their NCAA Ann Arbor (Mich.) Regional opener.
Cal plays a winners-bracket game Saturday against No. 7 Michigan (46-10), which beat Valparaiso 5-0.
Victoria Jones and Lindsey Ziegenhirt also homered for Cal.
Jolene Henderson struck out eight and allowed one unearned run. She is expected to face Michigan sophomore Sara Driesenga, who pitched her own two-hitter and struck out six against Valparaiso.