Ted Williams hits his 16th career grand slam to provide the Red Sox with the margin in an 8 – 5 win over the A’s. Ted’s 4th-inning blast, off Jack Urban, ties him with Babe Ruth for second place on the career slam list.

On May 22, 1958 — Ted Williams hits his 16th career grand slam to provide the Red Sox with the margin in an 8 – 5 win over the A’s. Ted’s 4th-inning blast, off Jack Urban, ties him with Babe Ruth for second place on the career slam list.

Source:
Baseball Reference May 22