Mark Ripperger Calls a Perfect Game in KC

MLB Umpire Mark Ripperger called a perfect game in Kansas City, officiating Thursday's #Twins-#Royals game with 136 correct ball/strike calls out of 136 callable pitches thrown for a 100% accuracy plate score.

These numbers reflect postgame adjustment figures and are normalized to both UmpScorecards' and CCS' measurement standards.

This is not Ripperger's first brush with perfection. When Ripperger called A's pitcher Mike Fiers' no-hitter in 2019 for an overall accuracy score of 97.2%, his accuracy for Fiers' pitching was 100% (73/73).

Related Post: 2019 No-Hitter 1, Mark Ripperger (1; Mike Fiers) (5/7/19).

Stats for HP Umpire Mark Ripperger on 4/10/2025

Balls: 89 called balls outside of strike zone / 0 called balls within strike zone = 89/89 = 100% Accuracy.

Strikes: 47 called strikes inside strike zone / 0 called strikes outside strike zone = 47/47 = 100% Accuracy.

Overall Game Score: 89/89 Balls + 47/47 Strikes = 136/136 = 100.0%. +0 Neutral.

Video as follows:
Alternate Link: Ump Ripperger just called a perfect game behind the plate in KC