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Mason Barnett
RP · 
Oakland Athletics · #63
Bats/ThrowsR/R
Height6' 0"
Weight218 lbs
BirthplaceKennesaw, GA
MLB Debut2024
🪪Bio
Bats/ThrowsR/R
Height6' 0"
Weight218 lbs
BirthplaceKennesaw, GA
MLB Debut2024
📊Season Stats (2026)
ERA7.08
W-L1-4
IP40.2
K38
WHIP1.62
SV2
Full Stat Line
G18
GS4
QS0
HLD0
H42
ER32
HR12
BB24
K/98.41
WAR0.00
🤚Career Splits by Handedness
vs Left-Handed Batters
AVG.275
OBP.359
SLG.525
OPS.884
vs Right-Handed Batters
AVG.268
OBP.373
SLG.592
OPS.965
Career totals from real plate-appearance data — lower OPS allowed is better for a pitcher.
⚔️This Season vs. Each Opponent
| Opponent | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
vs. BOS
|
5.40 | 5.0 | 6 | 1 | .211 |
vs. CIN
|
10.38 | 4.1 | 7 | 3 | .294 |
vs. HOU
|
0.00 | 4.0 | 7 | 2 | .083 |
vs. MIA
|
13.50 | 4.0 | 2 | 2 | .353 |
vs. TB
|
11.25 | 4.0 | 0 | 3 | .313 |
vs. MIN
|
5.40 | 3.1 | 2 | 1 | .286 |
vs. CHW
|
9.00 | 3.0 | 1 | 3 | .308 |
vs. KC
|
20.25 | 2.2 | 2 | 4 | .500 |
vs. MIL
|
0.00 | 2.0 | 4 | 0 | .000 |
vs. PIT
|
4.50 | 2.0 | 1 | 0 | .250 |
vs. SF
|
4.50 | 2.0 | 4 | 2 | .143 |
vs. COL
|
0.00 | 1.2 | 1 | 0 | .167 |
vs. LAA
|
0.00 | 1.2 | 1 | 1 | .333 |
vs. DET
|
0.00 | 1.0 | 0 | 2 | .000 |
🏟️This Season at Each Ballpark
| Ballpark | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Total | 7.08 | 40.2 | 38 | 24 | .266 |
| Great American | 10.38 | 4.1 | 7 | 3 | .294 |
| Minute Maid Park | 0.00 | 4.0 | 7 | 2 | .083 |
| Target Field | 5.40 | 3.1 | 2 | 1 | .286 |
| Kauffman Stadium | 20.25 | 2.2 | 2 | 4 | .500 |
| AT&T Park | 4.50 | 2.0 | 4 | 2 | .143 |
| Comerica Park | 0.00 | 1.0 | 0 | 2 | .000 |
| U.S. Cellular Field | 27.00 | 1.0 | 0 | 1 | .500 |
| Angel Stadium | 0.00 | 0.2 | 0 | 0 | .500 |
📅By Month & Recent Form
| Split | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Last 7 Days | 20.25 | 2.2 | 2 | 4 | .500 |
| Last 15 Days | 20.25 | 2.2 | 2 | 4 | .500 |
| Last 30 Days | 20.25 | 2.2 | 2 | 4 | .500 |
| April | 0.00 | 2.0 | 1 | 2 | .143 |
| June | 1.35 | 13.1 | 18 | 5 | .156 |
| July | 8.79 | 14.1 | 10 | 7 | .288 |
| August | 13.09 | 11.0 | 9 | 10 | .362 |
🎯Pitch Arsenal (2026)
| Type | Pitches | Usage% | Zone% | Chase% | Whiff% | BA | wOBA | xwOBA |
|---|---|---|---|---|---|---|---|---|
| 4-Seam Fastball | 362 | 48.7% | 44.2% | 30.4% | 20.3% | .276 | .421 | .397 |
| Slider | 144 | 19.4% | 44.4% | 36.5% | 28.6% | .240 | .388 | .333 |
| Sweeper | 111 | 14.9% | 46.0% | 42.3% | 21.1% | .276 | .543 | .411 |
| Curveball | 74 | 10.0% | 40.5% | 19.2% | 11.5% | .294 | .421 | .327 |
| Changeup | 52 | 7.0% | 23.1% | 52.6% | 36.8% | .182 | .264 | .191 |
🌀Pitch Movement (2026)
| Type | # | Velo | Spin | IVB | H-Break | Ext |
|---|---|---|---|---|---|---|
| 4-Seam Fastball | 239 | 94.9 | 2,215 | +14.9" | +0.1" | 6.3 |
| Slider | 69 | 86.5 | 2,544 | -4.5" | -0.3" | 6.1 |
| Sweeper | 56 | 83.6 | 2,685 | -5.0" | -1.3" | 6.1 |
| Changeup | 43 | 85.4 | 990 | +0.3" | +0.8" | 6.2 |
| Curveball | 34 | 79.1 | 2,713 | -15.4" | -0.7" | 6.1 |
IVB = induced vertical break (gravity removed) · H-Break = horizontal movement · Ext = release extension in feet.
📋Recent Game Log
| Date | Opp | Score | IP | H | ER | BB | K | ERA | PC | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L | Monday, August 17, 2026 |
KC
|
5-9 | 2.2 | 7 | 6 | 4 | 2 | 7.08 | 83 | L |
| L | Tuesday, August 11, 2026 |
TB
|
12-4 | 4.0 | 5 | 5 | 3 | 0 | 6.16 | 67 | L |
| L | Thursday, August 6, 2026 |
CIN
|
5-6 | 4.1 | 5 | 5 | 3 | 7 | 5.56 | 82 | L |
| L | Thursday, July 30, 2026 |
BOS
|
5-4 | 5.0 | 4 | 3 | 1 | 6 | 4.85 | 73 | — |
| L | Saturday, July 25, 2026 |
MIN
|
0-2 | 3.1 | 4 | 2 | 1 | 2 | 4.74 | 54 | L |
| L | Friday, July 10, 2026 |
CHW
|
1-14 | 1.0 | 3 | 3 | 1 | 0 | 4.64 | 24 | — |
| L | Wednesday, July 8, 2026 |
DET
|
1-6 | 1.0 | 0 | 0 | 2 | 0 | 3.54 | 26 | — |
| L | Sunday, July 5, 2026 |
MIA
|
9-8 | 2.0 | 3 | 2 | 0 | 0 | 3.72 | 32 | — |
| W | Thursday, June 25, 2026 |
SF
|
9-6 | 1.0 | 0 | 0 | 0 | 1 | 1.23 | 13 | S |
| L | Tuesday, June 23, 2026 |
SF
|
1-3 | 1.0 | 1 | 1 | 2 | 3 | 1.32 | 25 | — |
👥Team — Oakland Athletics
| Player | Pos | Key Stat |
|---|---|---|
| Nick Kurtz | 1B | .256 AVG |
| Joey Meneses | 1B | .150 AVG |
| Jeff McNeil | 2B | .268 AVG |
| Michael Stefanic | 2B | .389 AVG |
| Donovan Walton | 2B | .269 AVG |
| Zack Gelof | 3B | .251 AVG |
| Max Muncy | 3B | .233 AVG |
| Tommy White | 3B | .250 AVG |
| Jonah Heim | C | .208 AVG |
| Shea Langeliers | C | .263 AVG |
| Brian Serven | C | .212 AVG |
| Henry Bolte | CF | .277 AVG |
| Denzel Clarke | CF | .154 AVG |
| Tyler Soderstrom | LF | .245 AVG |
| Scott Barlow | Relief Pitcher | 6.48 ERA |
| Lawrence Butler | RF | .225 AVG |
| Carlos Cortes | RF | 9.00 ERA |
| Colby Thomas | RF | .202 AVG |
| Elvis Alvarado | RP | 4.13 ERA |
| Brady Basso | RP | 3.86 ERA |
| Scott Blewett | RP | 2.22 ERA |
| Ben Bowden | RP | 36.00 ERA |
| Hogan Harris | RP | 3.39 ERA |
| Geoff Hartlieb | RP | 4.58 ERA |
| Seth Johnson | RP | 6.65 ERA |
| Hayden Juenger | RP | 9.00 ERA |
| Mark Leiter Jr. | RP | 4.28 ERA |
| Luis Medina | RP | 3.39 ERA |
| Taylor Rashi | RP | 7.94 ERA |
| Drew Rom | RP | 6.35 ERA |
| Chris Roycroft | RP | 6.75 ERA |
| Justin Sterner | RP | 6.12 ERA |
| Jose Suarez | RP | 5.87 ERA |
| Yunior Tur | RP | 19.13 ERA |
| Andy Ibanez | Second Baseman | .087 AVG |
| Joey Estes | SP | 8.31 ERA |
| J.T. Ginn | SP | 3.71 ERA |
| Gage Jump | SP | 5.12 ERA |
| Jacob Lopez | SP | 4.78 ERA |
| Kade Morris | SP | 10.90 ERA |
| Jack Perkins | SP | 6.53 ERA |
| Jeffrey Springs | SP | 6.02 ERA |
| Darell Hernaiz | SS | .234 AVG |
| Joshua Kuroda-Grauer | SS | .417 AVG |
| Alika Williams | SS | .258 AVG |
| Jacob Wilson | SS | .266 AVG |
| Luis Severino | Starting Pitcher | 4.16 ERA |
See the Full Analysis
Key Suspects, player props, DFS rankings, and matchup intelligence for Mason Barnett and every MLB game — available in the BlowOutAlert workspace.