Slater (concussion) was placed on the 7-day injured list Saturday.
Slater went 1-for-2 with a walk and a stolen base in Wednesday's 8-2 loss to the Mets.
Slater went 1-for-3 with an RBI single in Wednesday's 7-1 win over the Nationals.
Slater (elbow) will start in right field and bat second Monday in the Giants' exhibition versus the Athletics.
Giants manager Bob Melvin said Friday that Slater had "a little setback" with his right elbow and might not make the Opening Day roster, Brian Murphy of KNBR 680 reports.
Slater (elbow) said Thursday that he has the "all clear" to play in spring training games, Susan Slusser of the San Francisco Chronicle reports.
Slater (elbow) reported to spring training with no restrictions as a hitter, though he'll still need to finish his throwing program before being cleared to play in Cactus League games, Alex Pavlovic of NBC Sports Bay Area reports.
Slater (elbow) signed a one-year, $4 million contract with the Giants on Friday, Craig Mish of the Miami Herald reports.
Slater underwent scheduled surgery Wednesday on his right elbow, Susan Slusser of the San Francisco Chronicle reports.
Slater is scheduled to undergo arthroscopic surgery on his right elbow Oct. 11, Maria I. Guardado of MLB.com reports.