look, yes he is an entertaining and competent announcer...but his constant getting pitches and locations wrong is maddening...why can't someone take him aside and coach him on it...ugh
Koufax threw almost 5000 pitches in both 1965 and 1966 before retiring in November of '66. Interesting article on pitch counts through the decades for specific pitchers. https://tht.fangraphs.com/what-pitch-counts-hath-wrought/