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MIA · Pitcher

Janson Junk

Throws R · 2026 player profile

MLB / P
Charts through 2026-09-27 · season stats retrieved 2026-10-13
ERA4.222026 · MLB season
Strikeouts892026 · MLB season
Innings123.22026 · MLB season
WHIP1.292026 · MLB season

Quality of contact allowed

10-game rolling xwOBA

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

2026-03-31 — 2026-09-27 · 26 recorded dates. Lower xwOBA means less expected production allowed.

MIA at —

Matchup unavailable

Our picks & reasoning

No upcoming matchup in this schedule snapshot.

OddsIndex analysis

Our picks on Junk

Saved upcoming picks

No saved upcoming picks for Janson Junk.

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

Our past picks

Original reasoning and recorded results.

Showing 20 past picks from 23 linked picks since Jan 1, 2026 ET. Snapshot Oct 13, 2026 ET.

Janson Junk under 3.5 strikeoutsL

Sep 27, 2026 ET · Odds at publication 1.6200

Read original reasoning

Junk's K/9 is approximately 6.35 (84 K in 119.0 IP) — well below the league average for a strikeout prop anchor. Two of his last three starts were only 3.0 IP, capping total K upside. In 2026 vs ATL specifically: 1 K in 3.0 IP (Aug 06) and 3 K in 5.0 IP (May 20) — both under 3.5. Walk rate is elevated (32 BB in 119 IP), often pitching around contact rather than piling up punchouts. Short outing risk is real given his 4.31 ERA and ATL's disciplined lineup.

Janson Junk under 3.5 strikeoutsL

Sep 22, 2026 ET · Odds at publication 1.5500

Read original reasoning

Junk's season K/9 is 6.2 (78 K in 114 IP). Last 3 starts: 4 K in 3.0 IP, 0 K in 3.0 IP, 4 K in 5.0 IP — two of three outings ended at 3 IP, capping strikeout accumulation. At 3 IP with 6.2 K/9, expected output is ~2 Ks. Even at 5 IP, he projects to ~3.4 Ks. Short recent outings are the primary suppressor. Market prices under at -182 (64.5% implied) and the data confirms the ceiling is low. Tuesday ERA pattern (2.03) may reflect better contact management, not more swing-and-miss. Under 3.5 aligns with realistic outing length.

Janson Junk under 2.5 strikeoutsL

Sep 15, 2026 ET · Odds at publication 1.9200

Read original reasoning

Junk's last 3 starts: 0 K (3.0 IP vs NYM), 4 K (5.0 IP vs CHC), 2 K (4.2 IP vs WSH) — a 2.0 K average per outing. His 2026 K/9 is 6.0 season-wide, but his recent swing-and-miss rate has clearly dropped. ARI is not a swing-and-miss heavy lineup; they put balls in play at a solid clip. At -109, the under carries slight market edge given Junk's demonstrated recent K floor and the strong probability of another short, contact-heavy outing.

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
35%
94.114.2%0.30590.1-6.318.52352
SliderSL
20%
86.216.6%0.34888.95.91.62448
ChangeupCH
18%
87.422.4%0.29590.8-14.11.31422
SweeperSW
14%
80.113.8%0.32685.915.81.22425
CurveballCU
9%
80.815.6%0.26686.28.1-13.82513
SinkerSI
4%
93.67.1%0.35789.4-14.411.12252
SlurveSV
0%
84.2100.0%0.000—6.3-7.92756

Contact allowed by location

91.824 BIP93.834 BIP78.831 BIP95.927 BIP92.357 BIP88.937 BIP89.424 BIP94.459 BIP91.527 BIP75.1High78.1Away82.8Low79.9InsideCatcher's perspective
75.1mph
95.9mphExit 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 · Miami Marlins2625123.289334.221.29
2025 · Miami Marlins2116110.077134.171.14
2024 · 608.08414.633.25
2024 · Oakland Athletics100.002-.---.--
2024 · Milwaukee Brewers508.0826.752.25
2023 · Milwaukee Brewers217.1524.911.36
2022 · Los Angeles Angels328.11136.481.56
2021 · Los Angeles Angels4416.11023.861.35
Career6248273.2200574.571.30
Recorded game dates 26 dates

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

DatePA*xwOBABAEV (mph)Barrel fraction
2026-09-27180.2590.17692.10.167
2026-09-22180.1730.11884.70.091
2026-09-15150.3510.35783.90.100
2026-09-09190.4220.47189.30.059
2026-09-04180.2890.17690.00.000
2026-08-30180.3520.25093.80.143
2026-08-2630.3110.00083.80.000
2026-08-23180.3180.12587.00.143
2026-08-17220.3510.40090.20.000
2026-08-12230.2750.19086.10.000

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

How to read these numbers
Walk rate

Sample: 523 pa

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

Barrel rate allowed

Sample: 396 bip

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

Exit velocity allowed

Sample: 348 bip

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

BABIP allowed

Sample: 382 bip

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