Hester hit .212 with three home runs and four RBIs in 85 at-bats with the Angels last season. This year at Salt Lake the 29-year-old right-hander hit .237 with eight homers and 29 RBIs in 74 games.
Scioscia said the other two catchers on the Major League roster -- Chris Iannetta and Hank Conger -- were healthy and that Hester was selected to provide depth as the team began its 10-game road trip.
• Scioscia also said second baseman Kendrick had a "great workout" Monday and hoped to be available to play at some point during the Toronto series. Kendrick has been sidelined since Aug. 5 with a sore left knee.
• Infielder Luis Jimenez remains day to day with soreness in both of his thumbs and shoulders.
"He's just banged-up a bit," Scioscia said.
Patrick Donnelly is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.