On August 10, 1987, Gross was caught ball scuffing; he had sandpaper in his glove, and he was suspended for 10 games.[2] He was selected to the National League All-Star team in 1988. On August 17, 1992, as a member of the Los Angeles Dodgers, Gross threw a no-hitter versus their rivals, the San Francisco Giants, in a 2-0 victory.
On May 14, 1990, pitching for the Expos in Los Angeles, Gross and Dodgers starter Fernando Valenzuela accomplished the rare feat of hitting homers off each other in the same inning.[3]