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Mason Barnett
Athletics
RP · #63 · Bats R · Throws R · 6'0" · 218 lb · Age 25 · 2 yrs in MLB
2026 grade
0.7
- Runs prevented
- −12.8
- IP · ERA
- 50.0 · 7.02
- K · BB
- 50 · 30
- Rank
- 204 of 205 relievers
What the grade is made of
Runs each part saves or costs against an average pitcher facing the same batters. Contact counts a quarter for how it turned out, because over a season that's mostly the fielders and luck.
- Home runs allowed14 vs 7 avg−9.8
- Walks29 vs 20 avg−3.0
- Contact allowed (how it turned out counts a quarter)133 vs 148 avg−0.5
- Parks pitched in+0.5
- Strikeouts50 vs 51 avg−0.2
- Hit batters2 vs 3 avg+0.2
2026 game log: pitching
Game grades need 3 batters faced; starts are ranked against starts, relief outings against relief outings.
| Game | Result | Dec | IP | H | R | ER | BB | K | HR | PC | Grade |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thu, Sep 24vsHOU | L 5-7 | GS | 6.0 | 4 | 4 | 4 | 2 | 8 | 2 | 87 | 55.4 |
| Fri, Sep 18@CLE | L 3-5 | GS | 3.1 | 7 | 3 | 3 | 4 | 4 | 0 | 79 | 11.6 |
| Mon, Aug 17@KC | L 5-9 | L | 2.2 | 7 | 6 | 6 | 4 | 2 | 1 | 83 | 4.4 |
| Tue, Aug 11vsTB | L 4-12 | L | 4.0 | 5 | 6 | 5 | 3 | 0 | 3 | 67 | 8.6 |
| Thu, Aug 6@CIN | L 5-6 | L | 4.1 | 5 | 5 | 5 | 3 | 7 | 3 | 82 | 6.2 |
| Thu, Jul 30vsBOS | L 4-5 | GS | 5.0 | 4 | 3 | 3 | 1 | 6 | 0 | 73 | 71.3 |
| Sat, Jul 25@MIN | L 0-2 | L | 3.1 | 4 | 2 | 2 | 1 | 2 | 0 | 54 | 49.2 |
| Fri, Jul 10@CHW | L 1-14 | 1.0 | 3 | 3 | 3 | 1 | 0 | 0 | 24 | 4.7 | |
| Wed, Jul 8@DET | L 1-6 | 1.0 | 0 | 0 | 0 | 2 | 0 | 0 | 26 | 48.7 | |
| Sun, Jul 5vsMIA | L 8-9 | 2.0 | 3 | 2 | 2 | 0 | 0 | 2 | 32 | 4.2 | |
| Fri, Jul 3vsMIA | L 5-12 | 2.0 | 3 | 4 | 4 | 2 | 2 | 2 | 45 | 2.5 | |
| Sat, Jun 27@LAA | L 2-5 | 0.2 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | – | |
| Thu, Jun 25@SF | W 9-6 | S | 1.0 | 0 | 0 | 0 | 0 | 1 | 0 | 13 | 72.3 |
| Tue, Jun 23@SF | L 1-3 | 1.0 | 1 | 1 | 1 | 2 | 3 | 0 | 25 | 38.3 | |
| Thu, Jun 18vsLAA | W 5-0 | 1.0 | 1 | 0 | 0 | 1 | 1 | 0 | 30 | 40.6 | |
| Mon, Jun 15vsPIT | W 11-2 | 2.0 | 2 | 1 | 1 | 0 | 1 | 1 | 32 | 23.9 | |
| Fri, Jun 12vsCOL | W 6-4 | W | 1.2 | 1 | 0 | 0 | 0 | 1 | 0 | 12 | 67.4 |
| Tue, Jun 9vsMIL | W 7-5 | S | 2.0 | 0 | 0 | 0 | 0 | 4 | 0 | 31 | 97.9 |
| Fri, Jun 5@HOU | L 1-5 | 4.0 | 1 | 0 | 0 | 2 | 7 | 0 | 64 | 98.9 | |
| Sun, Apr 19vsCHW | L 4-7 | 2.0 | 1 | 0 | 0 | 2 | 1 | 0 | 43 | 61.4 |
Scores, box scores and play-by-play from ESPN. The run values and park factors behind the grades were worked out from Retrosheet's play-by-play: the information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at www.retrosheet.org.