'Last year 4.36, this year 1.80'...Mizersewski fastball 169.8km/h·ERA ranked 1st
Mizersewski confirmed 16 wins 5 losses and an ERA of 1.80 with 5⅓ scoreless innings in the final game. Milwaukee finished the season with 103 wins. 169.8km/h was a record from June.
Translated from Korean with AI assistance. Read the original. Sources and original publication dates are retained.
Three-line summary
- Mizersewski confirmed 16 wins 5 losses and an ERA of 1.80 with 5⅓ scoreless innings in the final regular season game.
- Both the 1.80 ERA and 252 strikeouts are ranked 1st in all of MLB, and Milwaukee finished the season with 103 wins 59 losses.
- 169.8km/h is a conversion of 105.5mph thrown against the Cubs on June 26, and the Cy Young Award has not been officially confirmed yet.
Local time September 27, 2026 was the last day of the regular season. Milwaukee starter Jacob Mizersewski shut down the St. Louis lineup through 6 innings and 1 out. He allowed 2 hits and 2 walks with no runs scored. The game ended with a 6-4 Milwaukee victory.
Mizersewski 16 wins 5 losses·ERA 1.80, Milwaukee 103 wins
APAccording to, Mizersewski became the winning pitcher with 2 hits allowed, 2 walks, 5 strikeouts and no runs scored over 5⅓ innings that day. His final regular season record is16 wins 5 losses. Milwaukee on the same day103 wins 59 lossesfinished the season. The '103 wins' is the team's wins, not individual wins.
AP andMLB.comAccording to the summary, the ERA1.80and 252 strikeouts are both ranked 1st in all of MLB. WHIP (walks and hits allowed per inning) was 0.80 and batting average against was .157. It is reported that Pitcher List still has the figures from before the final game, 15 wins 5 losses·1.86, remaining in the main text.
| Category | 2025 | 2026 | Change |
|---|---|---|---|
| Wins-Losses | 5 wins 3 losses | 16 wins 5 losses | +11 wins |
| ERA | 4.36 | 1.80 | -2.56 |
| Innings pitched | 66 | 174⅔ | Approximately 2.6x |
| Strikeouts (count) | 87 | 252 | Approximately 2.9x |
| Strikeouts per 9 innings (count, calculated) | 11.9 | 13.0 | +1.1 |
The number that dropped most significantly in the table is ERA. Even though innings pitched increased approximately 2.6 times, efficiency actually improved. Calculating strikeouts per 9 innings directly, 2025 was 11.9 (87÷66×9), 2026 was 13.0 (252÷174⅔×9).
MLB.com reported that a batting average against of .157 is the lowest in history among pitchers who have thrown 170 or more innings. The previous lowest was .167 by Pedro Martinez in 2000. As for pitchers who have recorded both 250 or more strikeouts and a WHIP of 0.80 or less in a single season, this is the third time after Martinez (2000) and Justin Verlander (2019).
Mizersewski fastball 105.5 mph, 169.8km/h is the June 26 Cubs game record
169.8km/h is not a figure from this final game.Field Level MediaAccording to, Mizersewski recorded105.5mphin a game against the Cubs on June 26, 2026. Multiplying 105.5 by 1.609344 gives 169.787km/h, and the rounded value is 169.8km/h.
Highest fastball velocity tracked since 2008 (per individual pitch, as of 2026.06.26)
| Rank | Pitcher | Velocity (mph) | Conversion (km/h) | Time recorded |
|---|---|---|---|---|
| 1 | Aroldis Chapman | 105.8 | 170.3 | 2010 |
| 2 | Aroldis Chapman | 105.7 | 170.1 | 2016 |
| Tied 3 | Ben Joyce | 105.5 | 169.8 | 2024.09.03 |
| Tied 3 | Jacob Mizersewski | 105.5 | 169.8 | 2026.06.26 |
This ranking is by individual pitch, not by pitcher. Both the 1st and 2nd place pitches were thrown by Chapman. As a pitch thrown by a starting pitcher, it was reported to be the highest velocity in history. He threw 1,115 pitches of 100 mph or more this season, becoming the first pitcher to exceed 1,000 in a single season.
Mizersewski Cy Young Award likely candidate·Annual salary 788,300 dollars
Whether Mizersewski wins the Cy Young Award was not confirmed as of 2026.09.29 04:00 (Korea time). AP's Steve Megarge identified him as a strong candidate for the National League Cy Young Award after the regular season.
SpotracAccording to, his 2026 season salary was 788,300 dollars. This is about one-third of his 2,350,000 dollar signing bonus at the time of his 2022 signing. The signing bonus at that time was about 2.1 times the slot amount of 1,100,000 dollars.
According to AP, he said the following after the September 27 final game. "I think what's most important is that I was able to pitch for my teammates every week and do my role."
Frequently asked questions
Q. When was Mizersewski's 169.8km/h fastball recorded?
It is a conversion of the 105.5mph thrown against the Cubs on June 26, 2026 to km/h. It is not a record from the September 27 regular season final game. At the time of the record, it was tied 3rd among individual pitches in the pitch tracking era, and was reported to be the highest velocity for a starting pitcher.
Q. Is Mizersewski's 103 wins an individual record?
No. 103 wins is Milwaukee's final team record (103 wins 59 losses). Mizersewski's individual regular season record is 16 wins 5 losses with an ERA of 1.80.
Q. Is Mizersewski's Cy Young Award confirmed?
As of September 29, 2026, 04:00 (Korea time), the official award announcement has not been confirmed. AP identified him as a strong candidate for the National League Cy Young Award.
Related official websites
- Milwaukee Brewers official homepage— Team schedule and game results, official news
- MLB Mizersewski official player page— Season-by-season pitching record and latest statistics
- MiLB Mizersewski official profile— All-time record continuing from minor league days
Featured image · Archival photograph · Not from the current game venue in the article · Photo=Wikimedia Commons(Drovetochicago), CC BY-SA 4.0
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