Player Bio
| HT/WT: 5-10, 180 lbs |
| Birthplace: Sulphur, LA |
| Age: 26 |
| Experience: R |
| Bats/Throws: L, L |
Last Game
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0:48Highlights: Nationals at Mets (8/16)
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7:50Post Trade-Deadline MLB Power Rankings
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1:28San Diego Padres Rank No. 11 in MLB Power Rankings
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1:53Where the Dodgers' Rotation Ranks All-Time
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1:04Biggest Difference-Maker Available at the Deadline?
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1:47Red Sox Ready to Make Big Splash Before Deadline?
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1:22Yankees Add Luis Garcia Jr. To Shore Up Offense
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1:21Why Sell When You Can Buy: ARI, WAS & PIT
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1:29Does The Game Getting Postponed Impact The Red Sox?
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1:49Red Sox Look to Tie Franchise Record Win Streak
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10:35Weekend Waiver Wire Adds! Roki Sasaki Looked Different!
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11:04Week 18 Sleepers & Two-Start Pitchers! Jack Flaherty IS BACK!
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0:52MLB Power Rankings: D-Backs Jump 5 Spots
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0:48Phillies Begin 2nd Half With Big Goals
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1:18MLB Midterm: New York Mets Sit Last in NL East
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1:24MLB Midterm: Marlins On The Rise
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1:58How Jordan Walker is Becoming the Face of the Cardinals
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0:36How the Marlins Should Approach the Trade Deadline
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1:05MLB Power Rankings: Braves Fall After Recent Skid
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1:25MLB Power Rankings: Philly Into Top 5
2026 Pitching
| STATS |
W
Wins
|
L
Losses
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ERA
Earned Run Average
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SO
Strikeouts
|
BB
Base on Balls (Walk)
|
WHIP
Walks and Hits Allowed Per Inning
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|---|---|---|---|---|---|---|
| Regular Season | 1 | 0 | 3.25 | 33 | 5 | 1.08 |
Top William Dion News
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Nationals' Will Dion: Stellar in bulk relief
Dion did not factor into the decision in Saturday's 5-4 loss to the Mets, allowing one walk while striking out seven over 4.1 hitless and scoreless innings.
Dion entered with two outs in the first inning and dominated the Mets, throwing 41 of 64 pitches for strikes with 11 whiffs. The southpaw has thrived with his new club, firing eight scoreless frames and picking up one win in three appearances since debuting with Washington on Aug. 5. For the year, he owns a 3.25 ERA, 1.08 WHIP and 33:5 K:BB across 27.2 innings between the Guardians and Nationals.
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Nationals' Will Dion: Collects first MLB win
Dion (1-0) picked up the win Sunday over the Reds, allowing one hit and striking out one in three scoreless relief innings.
Brad Lord got the start in a bullpen day for the Nationals and worked the first 2.2 innings before handing a 2-1 lead off to Dion, who shut Cincinnati down over 41 pitches (30 strikes) to earn his first big-league win. Acquired from the Guardians in the Foster Griffin deal, Dion has had a promising adjustment to a full-time relief role in 2026, posting a 52:7 K:BB over 37.1 Triple-A innings and delivering a 3.86 ERA, 1.24 WHIP and 26:4 K:BB in his first 14 appearances and 23.1 innings at the top level.
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Nationals' Will Dion: Recalled from Triple-A
The Nationals recalled Dion from Triple-A Rochester on Tuesday, Spencer Nusbaum of The Athletic reports.
Dion was part of a collection of players acquired from the Guardians in Monday's Foster Griffin trade, and he will take Griffin's vacated roster spot. The lefty reliever holds a 4.58 ERA but a promising 25:3 K:BB over 19.2 innings across 12 appearances at the major-league level.
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Nationals' Will Dion: Traded to Nationals
The Guardians traded Dion, Josh Hartle, Kendeglys Virguez and Nick Mitchell to the Nationals on Monday in exchange for Foster Griffin, Mark Feinsand of MLB.com reports.
Dion, a 5-foot-10 southpaw, has a 4.58 ERA in 19.2 innings this year out of the big-league bullpen, but his fielding-independent metrics are quite a bit better (2.53 SIERA) thanks to a 29.4 percent strikeout rate and 3.5 percent walk rate. He was optioned to Triple-A on Sunday but could quickly join the Nationals at the big-league level.
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Guardians' Will Dion: Sent to Triple-A
The Guardians optioned Dion to Triple-A Columbus on Sunday.
The left-hander spent most of June and July in the big leagues but has been shuttled between Triple-A and the majors a few times since the All-Star break. In his first taste of MLB this season, Dion has a 4.58 ERA, 1.37 WHIP and 25:3 K:BB across 19.2 innings. Trade acquisition Craig Yoho will fill the vacated roster spot for Cleveland.
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Guardians' Will Dion: Back in big leagues
The Guardians recalled Dion from Triple-A Columbus on Saturday.
After being sent down to Triple-A on Friday, Dion will now turn around and rejoin the big-league bullpen to make up for the loss of Shawn Armstrong (calf). Dion owns a 5.17 ERA and 1.66 WHIP through 15.2 frames with Cleveland this year and will likely be limited to low-leverage work as long as he's in the majors.
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Guardians' Will Dion: Optioned to Triple-A
The Guardians optioned Dion to Triple-A Columbus on Friday, Tim Stebbins of MLB.com reports.
Dion logged three appearances during his most recent stint with the big club, yielding two runs with a 7:0 K:BB over 4.1 innings. He'll be replaced on the roster by Tim Herrin (elbow), who is back from the injured list.
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Guardians' Will Dion: Recalled from Columbus
The Guardians recalled Dion from Triple-A Columbus on Saturday.
Dion will come up from the minors to give the Guardians an additional fresh arm for their doubleheader against Pittsburgh. The 26-year-old has given up seven earned runs in just 11.1 MLB innings this season, so he'll likely be limited to low-leverage situations. Codi Heuer was sent down to Columbus in a corresponding move.
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Guardians' Will Dion: Optioned to Columbus
Cleveland optioned Dion to Triple-A Columbus on Friday, Tim Stebbins of MLB.com reports.
Dion will make his way back to Columbus after making just six appearances since having his contract selected May 25. With Cleveland, the 26-year-old recorded a 5.56 ERA, 1.85 WHIP and 13:3 K:BB in 11.1 innings. Erik Sabrowski (elbow) will take Dion's spot on the active roster.
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Guardians' Will Dion: Contract selected
The Guardians selected Dion's contract from Triple-A Columbus on Tuesday.
Dion has transitioned into a full-time reliever in 2026, and while his ERA at Columbus is a tad bloated at 4.50, he's put up an impressive 36:5 K:BB over 26 innings. The left-hander will be making his major-league debut when/if he gets into a game.
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