A pitcher needs two pitches, one they’re looking for and one to cross them up.
On April 28, 1961, Milwaukee Braves pitcher Warren Spahn threw his second no-hitter against the Giants at County Stadium. This feat made him the second-oldest pitcher in history to throw a no-hitter, at the age of 40 years and 5 days. At the time, the oldest pitcher to throw a no-hitter had been Cy Young, at 41 years old. That spot is now held by Nolan Ryan, who threw a no-hitter at the age of 44 on May 1, 1991.
On 16 September 1960, Warren Spahn struck out fifteen batters, setting an all-time Braves record, on his way to the first no-hitter of his career. The thirty-nine-year-old pitcher won 4-0 over the Phillies — in his 20th season!