Peter Alexander Magrini (born June 8, 1942 in San Francisco, California) is an American former right-handed pitcher in Major League Baseball who played for the 1966 Boston Red Sox. The 6 ft (1.8 m), 195 lb (88 kg) Magrini attended Santa Clara University, where he struck out Willie Mays during an exhibition game against the San Francisco Giants. Magrini retired from baseball after the 1969 minor league season and now lives in Santa Rosa, California.