Zack Gelof

Zack Gelof

24-Year-Old Second Baseman2B
Oakland Athletics
10-Day IL
Injury Oblique
Est. Return 5/4/2024
2024 Fantasy Outlook
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. Read Past Outlooks
RANKSFrom Preseason
#128
ADP
$Signed a one-year contract with the Athletics in March of 2024.
Placed on injured list
2BOakland Athletics
Oblique
April 25, 2024
The Athletics placed Gelof on the 10-day injured list Thursday with a strained left oblique.
ANALYSIS
Gelof's injury caused him to be a late scratch from Oakland's lineup ahead of Wednesday's game, and it will now officially cost him at least another week and a half. The 24-year-old second baseman hadn't missed a start prior to Wednesday, though he's failed to make the most of his playing time, slashing just .196/.260/.337 with seven RBI across his first 101 plate appearances. Darell Hernaiz was recalled from Triple-A Las Vegas in a corresponding move.
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Batting Stats
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2024
2023
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Scoring
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2023 MLB Game Log
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Batting Order Slot Breakdown
vs Right-Handed Pitchers
vs RHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
13
2
2
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
1
4
1
1
Left/Right Batting Splits
Since 2022
 
 
+71%
OPS vs RHP
2024
 
 
+2%
OPS vs RHP
2023
 
 
+99%
OPS vs RHP
2022
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2022vs Left .511 105 10 2 4 4 .168 .248 .263
Since 2022vs Right .874 296 41 15 35 14 .277 .342 .532
2024vs Left .588 25 4 1 2 1 .174 .240 .348
2024vs Right .600 76 7 2 5 3 .203 .267 .333
2023vs Left .486 80 6 1 2 3 .167 .250 .236
2023vs Right .969 220 34 13 30 11 .303 .368 .601
2022vs Left 0 0 0 0 0 0 0 0 0
2022vs Right 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Home/Away Batting Splits
Since 2022
 
 
+8%
OPS on Road
2024
 
 
+117%
OPS on Road
2023
 
 
+10%
OPS at Home
2022
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2022Home .748 206 21 5 13 11 .259 .332 .416
Since 2022Away .811 195 30 12 26 7 .237 .303 .508
2024Home .388 54 2 0 0 2 .160 .208 .180
2024Away .843 47 9 3 7 2 .238 .319 .524
2023Home .879 152 19 5 13 9 .296 .375 .504
2023Away .801 148 21 9 19 5 .237 .297 .504
2022Home 0 0 0 0 0 0 0 0 0
2022Away 0 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Stat Review
How does Zack Gelof compare to other hitters?
This section compares his stats with all batting seasons from the previous three seasons (minimum 400 plate appearances)*. 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 and Barrels/PA % are benchmarked against 2019 data (min 400 PA) and Hard Hit Rate is benchmarked against last season's data (min 400 PA). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • BB/K
    Walk to strikeout ratio
  • BB Rate
    The percentage of plate appearances resulting in a walk.
  • K Rate
    The percentage of plate appearances resulting in a strikeout.
  • BABIP
    Batting average on balls in play. Measures how many of a batter’s balls in play go for hits.
  • ISO
    Isolated Power. Slugging percentage minus batting average. A computation used to measure a batter's raw power.
  • AVG
    Batting average. Hits divided by at bats.
  • OBP
    On Base Percentage. A measure of how often a batters reaches base. Roughly equal to number of times on base divided by plate appearances.
  • SLG
    Slugging Percentage. A measure of the batting productivity of a hitter. It is calculated as total bases divided by at bats.
  • OPS
    On base plus slugging. THe sum of a batter's on-base percentage and slugging percentage.
  • wOBA
    Weighted on-base average. Measures a player's overall offensive contributions per plate appearance. wOBA combines all the different aspects of hitting into one metric, weighting each of them in proportion to their actual run value.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Hard Hit Rate
    A measure of contact quality from Sports Info Solutions. This stat explains what percentage of batted balls were hit hard vs. medium or soft.
  • Barrels/PA
    The percentage of plate appearances where a batter had a batted ball classified as 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.
  • Expected BA
    Expected Batting Average.
  • Expected SLG
    Expected Slugging Percentage.
  • Sprint Speed
    The speed of a runner from home to first, in feet per second.
  • Ground Ball %
    The percentage of balls put in play that are on the ground.
  • Line Drive %
    The percentage of balls put in play that are line drives.
  • Fly Ball %
    The percentage of balls put in play that are fly balls.
BB/K
0.21
 
BB Rate
6.9%
 
K Rate
32.7%
 
BABIP
.268
 
ISO
.141
 
AVG
.196
 
OBP
.260
 
SLG
.337
 
OPS
.597
 
wOBA
.267
 
Exit Velocity
89.9 mph
 
Hard Hit Rate
25.0%
 
Barrels/PA
5.0%
 
Expected BA
.212
 
Expected SLG
.375
 
Sprint Speed
24.5 ft/sec
 
Ground Ball %
57.6%
 
Line Drive %
13.6%
 
Fly Ball %
28.8%
 
Prospect Rankings History
Advanced Batting Stats
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Additional Stats
Games By Position
Defensive Stats
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Batted Ball Stats
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Stats Vs Upcoming Pitchers
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2023 Fantasy Outlook
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
Likely headed for IL
2BOakland Athletics
Oblique
April 24, 2024
Gelof was diagnosed with a left oblique strain Wednesday, Martin Gallegos of MLB.com reports.
ANALYSIS
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Struggles with abdominal soreness
2BOakland Athletics
Abdomen
April 24, 2024
Gelof was scratched from Oakland's lineup ahead of Wednesday's matchup against the Yankees due to left abdominal soreness, Martin Gallegos of MLB.com reports.
ANALYSIS
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Late scratch Wednesday
2BOakland Athletics
Undisclosed
April 24, 2024
Gelof was scratched from Oakland's lineup ahead of Wednesday's game versus the Yankees, Martin Gallegos of MLB.com reports.
ANALYSIS
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Blasts game-winner
2BOakland Athletics
April 22, 2024
Gelof went 1-for-4 with a two-run home run during Monday's 2-0 win over the Yankees.
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Mired in extended skid
2BOakland Athletics
April 22, 2024
Gelof went 2-for-4 with a stolen base in a loss to the Guardians on Sunday, but he still carries a .158/.200/.158 slash line over the 40 plate appearances covering his last 10 games.
ANALYSIS
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