Koss went 2-for-4 with an RBI, a run scored and two steals in Sunday's 6-4 loss against San Diego.
Giants manager Tony Vitello said Sunday that the Giants will have a conversation about whether to shut Webb down for the remainder of the campaign, Alex Pavlovic of NBC Sports Bay Area reports.
Amaya went 2-for-3 with a two-run home run in Sunday's 4-3 loss to the Pirates.
Devers (abdomen) is expected to undergo season-ending surgery Tuesday, Alex Pavlovic of NBC Sports Bay Area reports.
The Giants selected Bandura's contract from Triple-A Sacramento, and he's batting fifth as the designated hitter Sunday against the Padres.
The Giants placed Devers on the 60-day injured list Sunday due to a core muscle injury.
Cavanaugh went 1-for-3 with a solo home run in Saturday's 7-6 loss to the Padres.
Whitcomb went 1-for-3 with a solo home run in Saturday's 7-6 loss to the Padres.
Devers went 1-for-4 with a two-run home run in Saturday's 7-6 loss to San Diego.
Gilbert went 2-for-4 with a two-run home run and an additional run scored in Saturday's 7-6 loss to the Padres.
