Robby Thompson Hits for the Cycle, 1991

Robby Thompson hit for the cycle for the San Francisco Giants against the San Diego Padres on April 22, 1991: a single, a double, a triple and a home run in the same game. The San Francisco Giants lost 7–5.

The game was played at Candlestick Park in San Francisco. The announced attendance was 12,156. The game took 3h 05m. It was a night game under cloudy skies, at 47 degrees.

It was the only time Robby Thompson managed it. Greg Harris started for the San Diego Padres. Mark Hirschbeck umpired behind the plate. It is the first of four cycles the archive records that season.