Hunter Greene Dominates with 1.00 ERA; Fastest Fastball Among MLB Starters
April 17, 2025
His fastball, averaging 99.4 mph, has seen a 1.8 mph increase from the previous season, making it the fastest among starters and highlighting his enhanced performance.
Greene has re-engineered his fastball to reduce its 'dead zone' properties, resulting in greater effectiveness against batters, as evidenced by opposing hitters managing just a .183 average against it.
The fastball generates whiffs on 24.1% of swings, further demonstrating its potency and Greene's ability to dominate at the plate.
Adjustments to his pitching delivery, including standing closer to the first-base side of the rubber, have improved his extension to a career-best of 6.61 feet, enhancing his pitch velocity.
Cincinnati Reds right-hander Hunter Greene has emerged as a dominant force in the 2025 season, boasting an impressive 1.00 ERA and a 0.58 WHIP, leading all starters in CSW at 34.2%.
Greene has significantly improved his strikeout rate to 31.3% while reducing his walk rate to just 4.0%, showcasing his dominance on the mound with 31 strikeouts and only four walks.
In addition to his fastball, Greene's splitter, introduced in 2023, has gained effectiveness, particularly against left-handed hitters, diversifying his pitching arsenal.
Overall, Greene appears to be an improved pitcher with the potential for a standout season ahead, although maintaining his current performance levels may prove challenging.
Despite a league trend of reducing fastball usage, Greene has embraced his signature pitch, using it 60.8% of the time, which is a personal best and ranks second among qualified starters.
In contrast, Spencer Schwellenbach of the Atlanta Braves has made a name for himself with a league-low 0.45 ERA and a 0.65 WHIP, showcasing his potential as a fantasy ace.
Shane Baz of the Tampa Bay Rays is also making waves with a 1.42 ERA and a 27:4 K:BB ratio over 19 innings, indicating significant improvement and health compared to the previous season.
On the other hand, Corbin Burnes of the Arizona Diamondbacks is struggling, with a 4.63 SIERA and a decline in his fantasy value after a poor start to the season.
Summary based on 2 sources
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Sources

CBSSports.com • Apr 17, 2025
How Hunter Greene leveled up: What's behind Reds ace's sub-1.00 ERA and otherworldly season start
WSOC TV • Apr 15, 2025
Fantasy baseball's shocking No. 1 pitcher and other early season risers