It’s been a preseason of ups and downs for 49ers quarterback Jimmy Garoppolo, who was absolutely terrible in his first game but much better in his second. 

Apparently he uses these games as a way to test things out. 

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Garoppolo told KNBR that he likes trying things like throwing into coverage during the preseason to see how his receivers fight for the ball.

Flip the Page to hear Jimmy G’s explanation: