The Brewers’ Mike Caldwell beats the Yankees’ Ron Guidry, 6 – 0. For Guidry (13-1), it is his first loss of the season. Caldwell shut out the Yankees nine days earlier, and will shut them out again on September 19th.

This Day In Baseball

On July 7, 1978 The Brewers’ Mike Caldwell beats the Yankees’ Ron Guidry, 6 – 0. For Guidry (13-1), it is his first loss of the season. Caldwell shut out the Yankees nine days earlier, and will shut them out again on September 19th.

Source:
Baseball Reference July 7