during the five-year stretch of 1969–73, cuellar was a part of a very strong orioles pitching staff, teaming with future hall of famer jim palmer and dave mcnally to form the heart of the finest starting rotation that the orioles have ever had. cuellar, palmer and mcnally combined for eight individual 20-win seasons in the 1969, 1970 and 1971 seasons, as the orioles won the american league championship and advanced to the world series all three years. together, the trio racked up a combined win-loss record of 188–72 (.723 winning percentage), while the rest of the orioles' pitching staff recorded a very good 130–92 record (.586 winning percentage).