Cain pitched five scoreless innings with four strikeouts during Saturday's loss to San Diego. He didn't factor into the decision.

Cain announced that he will retire following his last start of the 2017 season, which will come against the Padres on Saturday, Henry Schulman of the San Francisco Chronicle reports.

Cain has been named the starting pitcher for Saturday's game against the Padres, Andrew Baggarly of The San Jose Mercury News reports.

Cain (personal) has rejoined the Giants and completed a bullpen session Monday, the Associated Press reports.