In Philadelphia, the first-place Phils drop a doubleheader to St. Louis and two lefty pitchers. Rookie Gordie Richardson tops the Phils, 6 – 1, in his first major league start, then Ray Sadecki beats them, 4 – 1, in the nitecap.

On July 26, 1964 — In Philadelphia, the first-place Phils drop a doubleheader to St. Louis and two lefty pitchers. Rookie Gordie Richardson tops the Phils, 6 – 1, in his first major league start, then Ray Sadecki beats them, 4 – 1, in the nitecap.

Source:
Baseball Reference July 26