Zack Gelof

Zack Gelof

25-Year-Old Second Baseman2B
Sacramento Athletics
60-Day IL
Injury Ribs
Est. Return 7/4/2025
2025 Fantasy Outlook
After breaking out to the tune of 14 homers and 14 steals in just 69 games as a rookie, Gelof endured the dreaded sophomore slump last season. He struggled mightily with strikeouts, fanning an AL-worst 188 times, which resulted in a 56-point drop in batting average to .211. Gelof showed signs of recovery in June only to post OPS marks below .700 in each of the final three months. The Athletics had nothing to lose and kept Gelof on the field at second base, affording him the opportunity to rack up 17 homers and 25 steals across 547 plate appearances. Gelof and the rest of the A's will be playing their home games at Sutter Health Park in West Sacramento in 2025 -- home of the Triple-A Sacramento River Cats of the Pacific Coast League -- which would seem to bode well for the offense. The pressure will be on for Gelof to bounce back and prove he should be considered part of the organization's long-term future. Read Past Outlooks
RANKS
Rest of Season From Preseason
#242
ADP
Signed a one-year contract with the Athletics in March of 2025.
Ramping up rehab workload
2BSacramento Athletics
Ribs
June 30, 2025
Athletics manager Mark Kotsay said Monday that Gelof (ribs) is slated to play full nine-inning games on consecutive days this week during his rehab assignment at Triple-A Las Vegas, Martin Gallegos of MLB.com reports.
Analysis
Gelof landed on the injured list prior to Opening Day after fracturing a hamate bone in his right wrist late in spring training and requiring surgery, but a stress reaction in his ribs suffered in early May has extended his absence. Once Gelof shows he can play full games on consecutive days, the Athletics will evaluate him for a potential return to the roster.
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Batting Stats
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2025 MLB Game Log
2025
2024
2023
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2024 MLB Game Log
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Left/Right Batting Splits
Since 2023
 
 
+61%
OPS vs RHP
2025
No Stats
2024
 
 
+41%
OPS vs RHP
2023
 
 
+99%
OPS vs RHP
OPS PA R HR RBI SB AVG OBP SLG
Since 2023vs Left .481 205 19 3 8 8 .149 .244 .238
Since 2023vs Right .776 642 81 28 73 31 .256 .310 .466
2025vs Left 0 0 0 0 0 0 0 0 0
2025vs Right 0 0 0 0 0 0 0 0 0
2024vs Left .479 125 13 2 6 5 .138 .240 .239
2024vs Right .676 422 47 15 43 20 .232 .279 .397
2023vs Left .486 80 6 1 2 3 .167 .250 .236
2023vs Right .969 220 34 13 30 11 .303 .368 .601
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Home/Away Batting Splits
Since 2023
 
 
+14%
OPS on Road
2025
No Stats
2024
 
 
+35%
OPS on Road
2023
 
 
+10%
OPS at Home
OPS PA R HR RBI SB AVG OBP SLG
Since 2023Home .659 421 47 11 31 23 .225 .296 .363
Since 2023Away .751 426 53 20 50 16 .236 .292 .459
2025Home 0 0 0 0 0 0 0 0 0
2025Away 0 0 0 0 0 0 0 0 0
2024Home .536 269 28 6 18 14 .186 .251 .285
2024Away .724 278 32 11 31 11 .235 .289 .435
2023Home .879 152 19 5 13 9 .296 .375 .504
2023Away .801 148 21 9 19 5 .237 .297 .504
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Recent RotoWire Articles Featuring Zack Gelof See More
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Past Fantasy Outlooks
2024
2023
Oakland was eliminated from the postseason on the second day of the 2023 season, so it remains a mystery why they let Gelof stay in the minors as long as he did rather than try to push for a prospect promotion incentive pick. Gelof began the season with 12 homers, 20 steals, and a .304/.401/.529 line in Sacramento over 69 games before coming to Oakland and hitting 14 more homers with 14 steals and a .267/.337/.504 line in the same amount of games. All in all, Gelof finished with 26 homers, 100 runs, 76 RBI, and 34 steals in 138 games. All that from someone whose ADP was in the 700's last winter. Strikeouts have been an issue as he has rapidly ascended in the system since coming out of the University of Virginia which will limit the ceiling of his batting average, but he should volume plenty in the other categories as an everyday major leaguer in 2024. His market price year over year has improved more than any other hitter.
In many organizations, Gelof might have a hard time breaking through for MLB playing time in 2023, but that shouldn't be the case in Oakland. He spent more time at second base than third base in 2022 and projects as the everyday second baseman as early as this summer, depending on how he handles a return to Triple-A. Gelof's 68.9 Contact% and 27.5 K% in the upper levels, primarily Double-A, portend initial struggles against big-league pitching. There is a slight chance Gelof could develop an above-average hit tool with plus power, but it's probably more likely he has an average hit tool with above-average power. That would equate to a useful middle infielder in fantasy, especially since Gelof is likely to hit in the middle of the lineup, but there's not a lot of upside here, given his future home park and lineup.
More Fantasy News
Looks set to extend rehab
2BSacramento Athletics
Ribs
June 25, 2025
Gelof (ribs) is expected to continue his rehab assignment at Triple-A Las Vegas for at least another week, Martin Gallegos of MLB.com reports.
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Set to start rehab assignment
2BSacramento Athletics
Ribs
June 16, 2025
Gelof (ribs) will begin a minor-league rehab assignment with Triple-A Las Vegas on Tuesday, Martin Gallegos of MLB.com reports.
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Ready for rehab stint
2BSacramento Athletics
Ribs
June 9, 2025
Gelof (ribs) is expected to be sent out on a minor-league rehab assignment later in the week, Martin Gallegos of MLB.com reports.
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Resumes hitting Saturday
2BSacramento Athletics
Ribs
May 27, 2025
Gelof (ribs) was cleared to begin a hitting progression Saturday, MLB.com reports.
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Moved to 60-day IL
2BSacramento Athletics
Ribs
May 23, 2025
The Athletics transferred Gelof (wrist/ribs) from the 10-day injured list to the 60-day IL on Friday, Martin Gallegos of MLB.com reports.
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Latest Fantasy Rumors
No timeline for return
2BSacramento Athletics
May 6, 2025
Gelof was pulled back from his minor-league rehab assignment due to a rib injury and doesn't have a timetable for return, according to Martin Gallegos of MLB.com.
Analysis
The second baseman sustained a stress reaction in his ribs and has been shut down from swinging a bat, but the most concerning aspect of the situation is this is a completely different injury from the wrist injury that sidelined Gelof for the first month of the season. That was the result of being hit by a pitch during spring training, which led to a hamate fracture in his right wrist that shelved him for around four weeks. This latest setback suggests Gelof doesn't have a clear timetable for a return to action.
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