The winningest left-hander in baseball history, Warren Spahn won 363 games over 20 seasons (including 4 with the 1965 Mets). He won 20 or more games 13 times, leading the league in victories 8 times.
In 1963, at age 42, Spahn threw 15 1/3 innings of shut-out ball – that’s in one game! By the way, that 16-inning game lasted just over 4 hours, or less time than your typical Yankees game today
From the mid-40’s through the early 60’s Spahn dominated the National League. He is clearly an Immortal
For some background on what this is, check out the introduction post here.