2025 Stats
W-L
0-0
ERA
0.00
WHIP
0.00
K
0
SV
0
Rest-of-Season Projections

Reaches minor-league deal
Bielak agreed to a minor-league contract with the Diamondbacks on Tuesday that includes an invitation to spring training, Ari Alexander of KPRC 2 Houston reports.
ANALYSIS
Bielak gave up 17 earned runs over 29.2 innings in the majors between the Astros and Athletics last season. Most of his time was spent in the minors, however, where he still struggled with a 6.08 ERA and 1.60 WHIP over 66.2 frames. He'll now attempt to bounce back during spring camp with the Diamondbacks, though his recent performance will most likely keep him in an organizational depth role.
Bielak gave up 17 earned runs over 29.2 innings in the majors between the Astros and Athletics last season. Most of his time was spent in the minors, however, where he still struggled with a 6.08 ERA and 1.60 WHIP over 66.2 frames. He'll now attempt to bounce back during spring camp with the Diamondbacks, though his recent performance will most likely keep him in an organizational depth role.
Pitching Stats
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Minor League Game Log

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Left/Right Pitching Splits
Since 2023
-8%
BAA vs RHP
2025
No Stats
BAA | K | BB | H | HR | ||||
---|---|---|---|---|---|---|---|---|
Since 2023vs Left | .301 | 27 | 22 | 58 | 5 | |||
Since 2023vs Right | .276 | 49 | 27 | 67 | 12 | |||
2025vs Left | 0 | 0 | 0 | 0 | 0 | |||
2025vs Right | 0 | 0 | 0 | 0 | 0 | |||
2024vs Left | .296 | 3 | 5 | 16 | 1 | |||
2024vs Right | .324 | 11 | 8 | 23 | 4 | |||
2023vs Left | .302 | 24 | 17 | 42 | 4 | |||
2023vs Right | .256 | 38 | 19 | 44 | 8 | |||
More Splits→ | View More Split Stats |
Home/Away Pitching Splits
Since 2023
-22%
ERA at Home
2025
No Stats
ERA | WHIP | IP | K/9 | BB/9 | |||||
---|---|---|---|---|---|---|---|---|---|
Since 2023Home | 3.70 | 1.56 | 58.1 | 7.9 | 5.2 | ||||
Since 2023Away | 4.73 | 1.62 | 51.1 | 4.4 | 2.6 | ||||
2025Home | 0 | 0 | 0 | 0 | 0 | ||||
2025Away | 0 | 0 | 0 | 0 | 0 | ||||
2024Home | 3.75 | 1.75 | 12.0 | 4.5 | 5.3 | ||||
2024Away | 6.11 | 1.75 | 17.2 | 4.1 | 3.1 | ||||
2023Home | 3.69 | 1.51 | 46.1 | 8.7 | 5.2 | ||||
2023Away | 4.01 | 1.54 | 33.2 | 4.5 | 2.4 | ||||
More Splits→ | View More Split Stats |
Prospect Rankings History
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Past Fantasy Outlooks
2024
2021
2020
Bielak made 13 starts for Houston in 2023 compiling a 3.83 ERA, 1.52 WHIP and 6.97 K/9 in 80 innings pitched. The 27-year-old filled in admirably for an injury plagued Astros rotation for most of the season before the wheels fell off in late July and he was demoted to Triple-A. With Houston's top four in the rotation set, Bielak is on the outside looking in at a rotation spot with J.P. France and Jose Urquidy likely ahead of him in the pecking order. The righty's best path to a roster spot could be as a long reliever out of the bullpen meaning he'll likely be limited to a streaming role for fantasy managers unless a rotation spot opens up in season.
More Fantasy News

Outrighted to Triple-A
The Athletics outrighted Bielak to Triple-A Las Vegas on Wednesday.
ANALYSIS
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Removed from 40-man roster
Oakland designated Bielak for assignment Sunday.
ANALYSIS
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Summoned to big leagues
The Athletics selected Bielak's contract from Triple-A Las Vegas on Sunday.
ANALYSIS
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Sent outright to Triple-A
Bielak cleared waivers and was outrighted to Triple-A Las Vegas by the Athletics on Wednesday.
ANALYSIS
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DFA'd by Oakland
The Athletics designated Bielak for assignment Saturday.
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Latest Fantasy Rumors

Joining Astros soon?
Bielak didn't make his scheduled start Saturday for Triple-A Sugar Land, which could indicate the Astros are considering him to start soon, reports Chandler Rome of The Athletic.
ANALYSIS
The 27-year-old has a 4.37 ERA across 47.1 big-league innings this year and was demoted to Sugar Land in mid-June. The Astros demoted Ronel Blanco and had Shawn Dubin start Sunday, which leaves the team with a question mark in its rotation with a week before the beginning of the All-Star break, especially with Framber Valdez nursing an ankle issue. It's likely only a matter of time before Bielak receives another shot with Houston this season, and that opportunity could come sooner rather than later.
The 27-year-old has a 4.37 ERA across 47.1 big-league innings this year and was demoted to Sugar Land in mid-June. The Astros demoted Ronel Blanco and had Shawn Dubin start Sunday, which leaves the team with a question mark in its rotation with a week before the beginning of the All-Star break, especially with Framber Valdez nursing an ankle issue. It's likely only a matter of time before Bielak receives another shot with Houston this season, and that opportunity could come sooner rather than later.