On July 8, 1976 — At Wrigley Field, Randy Jones wins his 16th game of the year for the Padres, a National League record for wins at the All-Star break. He beats the Cubs, 6 – 3. In the second half of the season, the Padres lefty will lose seven games by one run, two of them by 1 – 0 scores.

Source:
Baseball Reference July 8