New York’s Ron Guidry works 8 2/3 innings to win his 10th straight, beating the Royals, 6 – 4. Guidry allows 9 hits and strikes out 1.

On July 9, 1985 — New York’s Ron Guidry works 8 2/3 innings to win his 10th straight, beating the Royals, 6 – 4. Guidry allows 9 hits and strikes out 1.

Source:
Baseball Reference July 9