Mike McCormick (# 337) appeared in 23 games (11 starts) in 1970. He was 3-4 with an ERA of 6.20. He was traded to the New York Yankees on July 20.
Rich Robertson (# 229) was the Giants' #3 starter in 1970. He appeared in 41 games (26 starts) and was 8-9 with a 4.85 ERA. Robertson had six base hits in 1970 -- two of them were home runs and two others were doubles.
Juan Marichal (# 210) started to show signs of slippage in 1970. He started 33 games, but was only 12-10 with a 4.12 ERA. It was the only year between 1962 and 1971 in which Juan wouldn't be selected to the All Star game.