Mason Miller, Philadelphia Phillies
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The Athletics are not having a good season, but they do have Mason Miller and he can throw a baseball really fast. On Thursday night, during a rare victory, Miller's otherworldly ability to throw the baseball was on full display as he hit 104 mph on the radar gun for the second time this season.
Front offices around the MLB world are up against the clock to find roster improvements or swap out win-now contributors for long-term assets.
The Phillies are not looking for band-aids for their bullpen. They have tried that. It's been a really long time since Philadelphia made a trade deadline splash, and it's possible they target some of the best relievers in the game who can help the team in 2025 and beyond.
Even if they remain in the playoff hunt, Arizona will need to turn at least a few of their expiring contracts into viable pieces for 2026.
Athletics relief pitcher Mason Miller has emerged as a big name in MLB's trade market before the deadline, but teams want to change his role.