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OAK · Pitcher

Mason Barnett

Throws R · 2026 player profile

MLB / P
Charts through 2026-09-24 · season stats retrieved 2026-10-13
ERA7.022026 · MLB season
Strikeouts502026 · MLB season
Innings50.02026 · MLB season
WHIP1.662026 · MLB season

Quality of contact allowed

10-game rolling xwOBA

.200.300.400.50010-game xwOBA against
10-game rolling xwOBA against

2026-04-19 — 2026-09-24 · 20 recorded dates. Lower xwOBA means less expected production allowed.

OAK at —

Matchup unavailable

Our picks & reasoning

No upcoming matchup in this schedule snapshot.

OddsIndex analysis

Our picks on Barnett

Saved upcoming picks

No saved upcoming picks for Mason Barnett.

Pick record checked Oct 13, 2026 ET. Local preview uses saved data.

Our past picks

Original reasoning and recorded results.

Showing 6 past picks from 6 linked picks since Jan 1, 2026 ET. Snapshot Oct 13, 2026 ET.

Mason Barnett under 3.5 strikeoutsL

Sep 24, 2026 ET · Odds at publication 2.0000

Read original reasoning

Barnett's last 3 starts: 4 K in 3.1 IP, 2 K in 2.2 IP, 0 K in 4.0 IP — a steep declining trend with 2 of 3 starts ending under the line. His outing lengths are extremely short (avg ~3.3 IP last 3), capping raw K volume. Despite a serviceable 8.59 K/9 season rate, he's been pulled early and repeatedly. His lone strong start vs HOU (7 K in 4.0 IP, Jun 05) looks like an outlier against the recent trend. At +100, even money on the under is value given this trajectory.

Mason Barnett under 2.5 strikeoutsL

Sep 18, 2026 ET · Odds at publication 2.0400

Read original reasoning

Barnett's last two pre-layoff starts produced 0 Ks (4.0 IP vs TB) and 2 Ks (2.2 IP vs KC). Now returning from a 32-day layoff, adding rust to an already deteriorating command profile. His 2026 line: 38 K in 40.2 IP (8.4 K/9) with 24 BB — but recent trend is sharply downward. CLE's 9.61 team K/9 is elite on the pitching side, suggesting they'll make contact when it's their turn to hit. The under at +104 is market edge given the last-two-start pattern and extended absence.

Mason Barnett under 3.5 strikeoutsW

Aug 17, 2026 ET · Odds at publication 1.7400

Read original reasoning

Barnett recorded 0 K in his last start — 4.0 IP vs TB on Aug 11. Career vs KC: 3 K in 5.2 IP. His walk rate is extreme (20 BB in 38.0 IP), creating early baserunner situations that limit strikeout opportunities and shorten outings. KC makes contact at .242 team BA vs RHP. While his Aug 6 start showed 7 K in 4.1 IP, the 0 K most recently combined with command issues lean under at 3.5.

Market lines · saved snapshot

Snapshot unavailable. Market lines from the latest recorded feed update. Availability may have changed.

Market snapshot unavailable.

Inside the repertoire

What he throws, how it moves, and when he uses it.

The arsenal

PitchUsageVeloWhiff%xwOBAEVHMovVMovSpin
4-Seam FastballFF
49%
94.919.8%0.36489.5-1.115.12229
SliderSL
18%
87.326.6%0.33092.73.4-2.42502
SweeperSW
15%
83.624.2%0.29887.915.6-4.22686
CurveballCU
10%
79.013.5%0.35490.78.7-15.22697
ChangeupCH
8%
85.336.0%0.28691.2-9.31.1992

Contact allowed by location

91.66 BIP93.814 BIP81.54 BIP93.113 BIP92.614 BIP94.011 BIP100.77 BIP95.327 BIP92.616 BIP86.3High76.1Away81.3Low76.0InsideCatcher's perspective
76.0mph
100.7mphExit velocity

Heatmap · exit velocity in mph · catcher’s view. Choose a pitch type above to filter measured contact.

Data detail

Season & career

Updated 2026-10-13. Seasons are split by team. Innings use baseball notation: .1 is one out, .2 is two outs.

Season / teamGGSIPKBBERAWHIP
2026 · Athletics20650.050307.021.66
2025 · Athletics5522.118116.851.66
Career251172.168416.971.66
Recorded game dates 20 dates

Existing chart-builder observations, grouped by date. Not an official box-score game log; missing values stay blank.

DatePA*xwOBABAEV (mph)Barrel fraction
2026-09-24240.2660.18291.80.071
2026-09-18200.3730.43894.90.000
2026-08-17180.4770.46791.20.083
2026-08-11200.4290.31285.80.118
2026-08-06210.4110.29492.80.300
2026-07-30210.1820.21189.10.000
2026-07-25150.2530.28689.30.000
2026-07-1070.4100.50093.10.000
2026-07-0850.3570.00053.90.000
2026-07-0580.6360.37593.10.250

*PA is the count of appearances with a positive wOBA denominator.

How to read these numbers
Walk rate

Sample: 229 pa

Compared with 2026 pitchers with a recorded value and at least 50 batters faced.

Barrel rate allowed

Sample: 147 bip

Compared with 2026 pitchers with a recorded value and at least 30 batted balls.

Exit velocity allowed

Sample: 136 bip

Compared with 2026 pitchers with a recorded value and at least 30 batted balls.

BABIP allowed

Sample: 133 bip

Compared with 2026 pitchers with a recorded value and at least 50 batters faced.