In his final at bat of the month, Pedro Guerrero delivers a 2-run home run off Bruce Sutter to give the Dodgers a 4 – 3 win over the Braves. It is Guerrero’s 15th home run in June (19th overall), tying the major league record.

On June 30, 1985 In his final at bat of the month, Pedro Guerrero delivers a 2-run home run off Bruce Sutter to give the Dodgers a 4 – 3 win over the Braves. It is Guerrero’s 15th home run in June (19th overall), tying the major league record.

Source
Baseball Reference June 30