The Giants beat the Cardinals, 5 – 2, but do it without starting pitcher Freddie Fitzsimmons, who is struck in the back by a fungo bat while warming up. Fat Freddie will miss several starts.

On May 21, 1934 — The Giants beat the Cardinals, 5 – 2, but do it without starting pitcher Freddie Fitzsimmons, who is struck in the back by a fungo bat while warming up. Fat Freddie will miss several starts.

Source:
Baseball Reference May 21