New York Yankees pitcher Scott Sanderson becomes the 12th pitcher in major league history to surrender four home runs in a single inning. Sanderson is rocked in the 5th inning of the game against the Minnesota Twins by Shane Mack, Kirby Puckett, Kent Hrbek, and Randy Bush. The Twins need all the homers as they win, 7 – 6.

On May 2, 1992 — New York Yankees pitcher Scott Sanderson becomes the 12th pitcher in major league history to surrender four home runs in a single inning. Sanderson is rocked in the 5th inning of the game against the Minnesota Twins by Shane Mack, Kirby Puckett, Kent Hrbek, and Randy Bush. The Twins need all the homers as they win, 7 – 6.

Source:
Baseball Reference May 2