Since ERA became official in both leagues in 1913, Yoshinobu Yamamoto is the second MLB pitcher to have a season with:
— OptaSTATS (@OptaSTATS) September 25, 2025
200+ strikeouts
sub-2.50 ERA
sub-.200 opp BA
sub-1.00 WHIP
< 35 XBH allowed
The other was Bob Gibson in 1968. pic.twitter.com/MLT7yK8EYO