The 36-year-old veteran took a pitch from Cardinals fireballer Shelby Miller off the hand in the second inning. He played in the field in the bottom of the frame, but had difficulty swinging in the cage.
Gonzalez was removed from the contest before the bottom of the third. His hand was still slightly swollen on Saturday, although he indicated that the swelling had gone down considerably.
"It's still bruised and a little sore," he said. "Hoping for tomorrow."
Gonzalez has started at three positions this season -- first and third base and shortstop. He is hitting .138 with one homer and four RBIs.
"He tried to swing the bat [today] in the cages, and it was still pretty sore," manager Ron Roenicke said.
Entering this season, Gonzalez had played exclusively at shortstop in 1,536 games during his 14-year career.