Gage Jump

Active

Athletics · Pitcher

Age 236' 0" · 200 lbsThrows Left

#244 Dynasty

FBaseball Overview

At just 23 years old, Jump enters his first full MLB season with legitimate upside after earning Texas Pitcher of the Month honors in 2025, and his early 2026 numbers suggest he's ready to contribute immediately in fantasy rotations. Through his first stretch of appearances, he's posted a 2.93 ERA with a 1.13 WHIP across 40 innings while accumulating 40 strikeouts, indicating solid command and the ability to miss bats at an age when most prospects are still developing. The primary risk is workload volatility typical of young starters breaking in with Oakland, which could limit his wins total and innings pitched, though his velocity and strikeout rate offer ceiling potential if he lands a permanent spot in the rotation. Fantasy managers should view Jump as a speculative mid-rotation add with upside in strikeouts and ERA, but rostering him requires patience with the inevitable growing pains that come with a 23-year-old's first MLB campaign.

MLB Pitching

Year	Team	G	GS	W	L	SV	ERA	WHIP	K	IP	BB
2026	Athletics	19	19	6	10	0	5.12	1.49	106	96.2	45
Career	Totals	19	19	6	10	0	5.12	1.49	106	96.2	45

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Minor League Pitching

Year	Team	G	GS	W	L	ERA	WHIP	K	IP	BB
2025	2 teams▼	26	24	9	7	3.28	1.10	131	112.2	34
2026	Las Vegas Aviators	9	9	0	2	4.50	1.47	56	38.0	20
Career	Totals	35	33	9	9	3.58	1.19	187	150.2	54

Source: MLB Stats API · Multi-team seasons show combined totals — click to expand

Game Log2026 MLB

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Advanced Stats2026 season · via Baseball Savant

Click for year to year changes

FB Velo96.2 mph

Avg Spin2302 rpm

Whiff %25.6%

K %24.9%

BB %10.6%

Hard Hit %39.5%

Barrel %6.6%

xERA4.50

xBA Against0.260

xSLG Against0.398

BA Against0.266

SLG Against0.411

GB%39.1%

FB%26.2%

What These Stats Mean

FB Velo — Average fastball velocity. Harder throwers generate more swings and misses, setting up every other pitch in their arsenal. Velocity is the foundation of strikeout upside.

Avg Spin — Average spin rate across all pitches. Higher spin creates more movement and makes pitches harder to square up — elite spinners run better strikeout and batting average against numbers.

Whiff % — Swings-and-misses per swing. The most direct measure of a pitcher's ability to miss bats and the best leading indicator of strikeout rate.

K % — Strikeout rate per batter faced. The core fantasy pitching stat — high K% means reliable strikeout totals that hold up even in shorter starts.

BB % — Walk rate per batter faced. The primary control metric. High BB% tanks ERA and WHIP and keeps baserunners on constantly. Elite starters typically run below 7%.

Hard Hit % — Percentage of batted balls hit 95 mph or harder against. Low hard-hit% means weak contact, protecting both ERA and the defense behind the pitcher.

Barrel % — Percentage of batted balls barreled against. The most direct home run predictor — low barrel% pitchers rarely give up long balls.

xERA — Expected ERA based on contact quality allowed, removing the effect of sequencing, luck, and defense. Better predictor of future ERA than ERA itself.

xBA Against — Expected batting average opponents should hit based on contact quality. A gap between xBA and actual BA indicates unsustainable luck in either direction.

xSLG Against — Expected slugging allowed based on contact quality. High xSLG against predicts future extra-base damage; low xSLG means the pitcher is genuinely suppressing power.

BA Against — Actual batting average opponents are hitting — a key WHIP component. Check xBA to see if the number is sustainable.

SLG Against — Actual slugging allowed. Captures hits, doubles, triples, and home runs — lower means the pitcher is limiting the power damage he gives up.

GB% — Ground ball rate. High GB% pitchers generate double plays, limit home runs, and keep the ball in the park — great for protecting ERA and WHIP ratios.

FB% — Fly ball rate. High FB% pitchers give up more air contact — dangerous when combined with high exit velocity, less so when contact is soft.

Loading player data...

Year

Team

ERA

WHIP

2026

Athletics

5.12

1.49

106

96.2

Career

Totals

5.12

1.49

106

96.2

Year

Team

ERA

WHIP

2025

2 teams▼

3.28

1.10

131

112.2

2026

Las Vegas Aviators

4.50

1.47

38.0

Career

Totals

3.58

1.19

187

150.2