Jacob Lopez

Jacob Lopez

28-Year-Old PitcherSP
Sacramento Athletics
2026 Fantasy Outlook
Lopez's 2025 season truly came out of nowhere. Originally drafted by the Giants in the 26th round, he was flipped to the Rays in 2019 for Joe McCarthy. Lopez worked in the Rays system rather successfully at all three levels but struggled in spot starts in 2023 and 2024. Lopez was included with Jeffrey Springs in the trade to acquire Joe Boyle, and Lopez made the most of his new opportunity. He survived pitching in Las Vegas with three wins and a 2.67 ERA with 38 strikeouts and just two homers in 27 innings of work. That earned him the promotion to Sacramento, where he worked in 21 games and pitched to an AL-Only serviceable 4.08 ERA and 1.27 WHIP with 113 strikeouts in 92.2 innings. The weird thing about Lopez was he was much more effective pitching at Sutter Field than he was on the road. He held the opposition to a .212/.297/.358 line with a 2.64 ERA and 1.13 WHIP at home but a .246/.335/.444 with a 5.40 ERA and 1.41 WHIP on the road. Which is more likely in 2026: regression at home or on the road? Either way, he is more useful in AL-Only leagues unless you want to use him as a mixed streamer and somehow figure out this weirdness in his splits. Read Past Outlooks
RANKS
Rest of Season From Preseason
#363
ADP
Signed a one-year contract with the Athletics in March of 2026.
Still struggling to find plate
PSacramento Athletics
April 16, 2026
Lopez took a no-decision Wednesday against the Rangers, allowing two runs on three hits and four walks in five innings. He struck out five.
Analysis
The left-hander is making a habit of issuing free passes -- he's now walked at least three in each of his first four starts of 2026. Lopez has fanned at least five in three consecutive outings, but he's not yet given up fewer than two runs in any appearance thus far. His next start currently projects for next week in Seattle versus the division-rival Mariners, but Lopez owns a 6.38 ERA, 1.96 WHIP and an alarming 16:17 K:BB through 18.1 innings and will be tough to trust in fantasy lineups.
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Pitching Stats
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2026 MLB Game Log
2026
2025
2024
2023
2026 MLB Game Log
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2025 MLB Game Log
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2024 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
91
Last 10 Games
91
Last 5 Games
91
How many pitches does Jacob Lopez generally throw?
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
 
1-10
 
11-20
 
21-30
 
31-40
 
41-50
 
51-60
 
61-70
 
71-80
 
81-90
 
91-100
 
101-110
 
111-120
 
121+
What part of the game does Jacob Lopez generally pitch?
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2024
 
 
-2%
BAA vs RHP
2026
 
 
-13%
BAA vs RHP
2025
 
 
-8%
BAA vs LHP
2024
 
 
-64%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .231 123 33 13 24 6 0 2
Since 2024vs Right .227 412 104 48 81 12 1 18
2026vs Left .294 21 4 4 5 1 0 1
2026vs Right .255 69 12 13 14 2 0 2
2025vs Left .216 85 25 6 16 4 0 1
2025vs Right .234 314 88 31 65 10 1 14
2024vs Left .231 17 4 3 3 1 0 0
2024vs Right .083 29 4 4 2 0 0 2
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2024
 
 
-49%
ERA at Home
2026
 
 
-40%
ERA at Home
2025
 
 
-51%
ERA at Home
2024
 
 
-100%
ERA at Home
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2024Home 2.95 1.22 55.0 3 3 0 12.1 4.3 1.1
Since 2024Away 5.83 1.49 66.1 5 5 0 8.5 4.7 1.8
2026Home 4.82 1.61 9.1 0 0 0 10.6 8.7 1.0
2026Away 8.00 2.33 9.0 1 1 0 5.0 8.0 2.0
2025Home 2.64 1.13 44.1 3 3 0 12.6 3.0 1.2
2025Away 5.40 1.41 48.1 4 4 0 9.5 4.1 1.7
2024Home 0.00 1.50 1.1 0 0 0 6.8 13.5 0.0
2024Away 6.00 1.11 9.0 0 0 0 7.0 5.0 2.0
More Splits View More Split Stats
Stat Review
How does Jacob Lopez compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
0.85
 
K/9
7.4
 
BB/9
8.8
 
HR/9
2.0
 
Fastball
90.4 mph
 
ERA
7.43
 
WHIP
2.18
 
BABIP
.328
 
GB/FB
0.68
 
Left On Base
72.6%
 
Exit Velocity
78.0 mph
 
Barrels/BBE
3.7%
 
Spin Rate
2203 rpm
 
Balls Hit 95+ MPH
16.7%
 
Swinging Strike
8.2%
 
Prospect Rankings History
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Jacob Lopez See More
Recent RotoWire Articles Featuring Jacob Lopez See More
Past Fantasy Outlooks
2025
2024
If you squint really hard, you can see some shades of Ryan Yarbrough in Lopez. Both pitchers are soft-tossing lefties with unique arm angles relying on extension and guile in their efforts to be successful against opposing batters. Lopez has been able to use that skill rather effectively as a minor-leaguer with a 30.6 percent strikeout rate, but has been more hittable as a swingman in two different stints with the Rays over a short 22.2 inning sample size. Lopez has value to a club in a swingman type role or as a bulk pitcher if the rotation is impacted by injuries. He's likely to begin the season in a relief role but should have a clearer path to a starting job after being traded to the Athletics.
Lopez began the season at Double-A Montgomery and finished it with four games on the big-league roster, which is a rarity for the Tampa Bay organization as it rarely promotes starting pitchers multiple levels in the same season. These actions were more based on necessity than merit given the season-ending injuries to 60 percent of the club's starting staff and the attrition of arms on the 40-man roster. Lopez climbed to Triple-A early in the 2023 season while striking out a bevy of lower-level hitters, mainly with a low-arm-slot slider. Experienced hitters in Triple-A were not as easily fooled nor were the major-league hitters as the strikeout rate cooled and the walk rate escalated. He still managed 96 strikeouts in 92 innings but best profiles as a swingman out of the bullpen, replacing the role Ryan Yarbrough and Josh Fleming held on the roster before him.
More Fantasy News
Nabs first win Saturday
PSacramento Athletics
April 11, 2026
Lopez (1-1) earned the win Saturday against the Mets, allowing five runs on seven hits and three walks in five innings. He struck out five.
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Walks five more against Houston
PSacramento Athletics
April 5, 2026
Lopez (0-1) didn't factor into the decision Sunday against the Astros, allowing three runs on three hits and five walks with six strikeouts across 4.1 innings.
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Allows five hits and walks five
PSacramento Athletics
March 30, 2026
Lopez (0-1) took the loss Monday against Atlanta, allowing three runs on five hits and five walks without recording a strikeout across four innings.
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Stellar in spring start
PSacramento Athletics
March 15, 2026
Lopez allowed no hits and a walk across four scoreless innings in Saturday's Cactus League win over the Royals. He struck out seven.
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Shaky in first spring start
PSacramento Athletics
March 9, 2026
Lopez (elbow) allowed three runs on three hits and a walk across two innings in Sunday's Cactus League win over the Dodgers. He struck out one.
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