Major League Baseball PLAYER PROFILE

Jacob Lopez

Athletics · Pitcher · Age 28 · #57

AGE28

BATSLeft

THROWSLeft

CURRENT LEVELMajor League Baseball

Jacob Lopez is a pitcher for Athletics. Age 28. Bats left. Throws left. MLB debut: 2023-08-14.

2026 season by level

MLB

2026 · Major League Baseball

Athletics

Season 2026 · Major League Baseball

ERA5.68

WHIP1.53

W-L6-5

G26

GS23

IP117.1

SO108

BB56

K/98.28

BB/94.30

HR/91.69

AAA

2026 · Triple-A

Las Vegas Aviators

Season 2026 · Triple-A

ERA7.20

WHIP1.73

W-L2-2

GS4

IP15.0

SO17

BB5

K/910.20

BB/93.00

HR/92.40

ALL PROFESSIONAL LEVELS

2026 combined total

ERA5.85

WHIP1.56

W-L8-7

G30

GS27

IP132.1

SO125

BB61

K/98.50

BB/94.15

HR/91.77

Combined totals add MLB and affiliated Minor League counting statistics. Rate statistics are recalculated, but they are not adjusted for differences in competition level.

Professional year-by-year

Minor League and MLB lines are labeled by both season and competition level.

MLB

2026 · Major League Baseball

Athletics

Season 2026 · Major League Baseball

ERA5.68

WHIP1.53

W-L6-5

G26

GS23

IP117.1

SO108

BB56

K/98.28

BB/94.30

HR/91.69

AAA

2026 · Triple-A

Las Vegas Aviators

Season 2026 · Triple-A

ERA7.20

WHIP1.73

W-L2-2

GS4

IP15.0

SO17

BB5

K/910.20

BB/93.00

HR/92.40

MLB

2025 · Major League Baseball

Athletics

Season 2025 · Major League Baseball

ERA4.08

WHIP1.27

W-L7-7

G21

GS17

IP92.2

SO113

BB37

K/910.97

BB/93.59

HR/91.46

AAA

2025 · Triple-A

Las Vegas Aviators

Season 2025 · Triple-A

ERA2.33

WHIP0.89

W-L3-0

GS4

IP27.0

SO38

BB8

K/912.67

BB/92.67

HR/90.67

MLB

2024 · Major League Baseball

Tampa Bay Rays

Season 2024 · Major League Baseball

ERA5.23

WHIP1.16

W-L0-0

GS1

IP10.1

SO8

BB7

K/96.97

BB/96.10

HR/91.74

AAA

2024 · Triple-A

Durham Bulls

Season 2024 · Triple-A

ERA4.26

WHIP1.31

W-L4-7

G21

GS19

IP88.2

SO106

BB45

K/910.76

BB/94.57

HR/91.22

MLB

2023 · Major League Baseball

Tampa Bay Rays

Season 2023 · Major League Baseball

ERA4.38

WHIP1.30

W-L1-0

GS1

IP12.1

SO8

BB2

K/95.84

BB/91.46

HR/90.00

AAA

2023 · Triple-A

Durham Bulls

Season 2023 · Triple-A

ERA2.72

WHIP1.32

W-L4-5

G18

GS18

IP79.1

SO87

BB47

K/99.87

BB/95.33

HR/90.79

2023 · Double-A

Montgomery Biscuits

Season 2023 · Double-A

ERA2.57

WHIP0.82

W-L0-0

GS6

IP28.0

SO45

BB9

K/914.46

BB/92.89

HR/90.64

2021 · Double-A

Montgomery Biscuits

Season 2021 · Double-A

ERA3.60

WHIP0.80

W-L0-0

GS1

IP5.0

SO8

BB1

K/914.40

BB/91.80

HR/90.00

High-A

2021 · High-A

Bowling Green Hot Rods

Season 2021 · High-A

ERA2.30

WHIP1.04

W-L3-1

G14

GS10

IP54.2

SO88

BB17

K/914.49

BB/92.80

HR/90.99

Professional career totals

ERA4.02

WHIP1.28

W-L30-27

G127

GS104

IP530.1

SO626

BB234

SV3

Career by level

MLB

Major League Baseball

ERA4.95

WHIP1.40

W-L14-12

G55

GS42

IP232.2

SO237

BB102

SV1

AAA

Triple-A

ERA3.64

WHIP1.29

W-L13-14

G49

GS45

IP210.0

SO248

BB105

SV0

Double-A

Montgomery Biscuits

ERA2.73

WHIP0.82

W-L0-0

GS7

IP33.0

SO53

BB10

SV0

High-A

Bowling Green Hot Rods

ERA2.30

WHIP1.04

W-L3-1

G14

GS10

IP54.2

SO88

BB17

SV2

Advanced profile

BABIP.304

HR/91.69

P/IP18.32

Fielding

FLD%.833

G26

GS23

INN117.1

PO2

A13

DP0

Bio

Age28

Height6' 4"

Weight220

BatsLeft

ThrowsLeft

BornGranada Hills, USA

Draft2018

MLB debut2023-08-14

StatusActive

Last 8 games

Date	Season · Level	Opponent	Performance
2026-09-19	2026 · MLB	at Cleveland Guardians	2.2 IP · 1 SO · 10 ER · 63 pitches
2026-09-13	2026 · MLB	vs Seattle Mariners	3.2 IP · 3 SO · 5 ER · 102 pitches
2026-09-07	2026 · MLB	vs Toronto Blue Jays	6.0 IP · 1 SO · 4 ER · 93 pitches
2026-09-02	2026 · MLB	at Texas Rangers	6.0 IP · 7 SO · 2 ER · 102 pitches
2026-08-28	2026 · MLB	vs Baltimore Orioles	5.0 IP · 6 SO · 1 ER · 100 pitches
2026-08-22	2026 · MLB	at Houston Astros	6.0 IP · 9 SO · 1 ER · 91 pitches
2026-08-16	2026 · MLB	vs Texas Rangers	6.0 IP · 6 SO · 2 ER · 93 pitches
2026-08-10	2026 · MLB	vs Tampa Bay Rays	7.0 IP · 5 SO · 2 ER · 93 pitches

Recent roster and availability activity

Cosmetic jersey/uniform-number changes are intentionally omitted.

2026-07-07 · Recalled

Athletics recalled LHP Jacob Lopez from Las Vegas Aviators.

2026-06-02 · Optioned

Athletics optioned LHP Jacob Lopez to Las Vegas Aviators.

Professional statistics are requested separately for MLB, Triple-A, Double-A, High-A and Low-A through MLB Stats API, then labeled and combined by Atlas Harbor. Prospect rankings and scouting grades are displayed only when the official MLB Pipeline page can be verified.