Zack Gelof

Zack Gelof

24-Year-Old Second Baseman2B
Oakland Athletics
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, $740,000 contract with the Athletics in March of 2024.
On bench for matinee
2BOakland Athletics
June 16, 2024
Gelof is not in the lineup for the first game of Sunday's doubleheader against the Twins.
ANALYSIS
Gelof will get an extended breather of sorts, having also sat out Saturday, but he will likely be back in there to face Chris Paddack in the nightcap. After breaking out to the tune of an .841 OPS, 14 homers and 14 steals in just 69 games last season, Gelof has struggled to a .558 OPS, five homers and seven steals through 52 games in 2024.
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Batting Stats
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2024
2023
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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
11
4
10
2
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
1
4
1
2
2
1
Left/Right Batting Splits
Since 2022
 
 
+39%
OPS vs RHP
2024
 
 
+30%
OPS vs LHP
2023
 
 
+99%
OPS vs RHP
2022
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2022vs Left .560 126 12 3 6 5 .184 .262 .298
Since 2022vs Right .777 388 46 16 41 16 .250 .311 .466
2024vs Left .687 46 6 2 4 2 .214 .283 .405
2024vs Right .527 168 12 3 11 5 .182 .235 .292
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
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Home/Away Batting Splits
Since 2022
 
 
+4%
OPS on Road
2024
 
 
+47%
OPS on Road
2023
 
 
+10%
OPS at Home
2022
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2022Home .709 248 24 6 16 12 .246 .316 .393
Since 2022Away .738 266 34 13 31 9 .223 .283 .455
2024Home .446 96 5 1 3 3 .169 .221 .225
2024Away .657 118 13 4 12 4 .206 .265 .393
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
0.19
 
BB Rate
6.5%
 
K Rate
34.6%
 
BABIP
.271
 
ISO
.128
 
AVG
.189
 
OBP
.245
 
SLG
.316
 
OPS
.562
 
wOBA
.251
 
Exit Velocity
89.7 mph
 
Hard Hit Rate
28.0%
 
Barrels/PA
4.2%
 
Expected BA
.189
 
Expected SLG
.339
 
Sprint Speed
24.3 ft/sec
 
Ground Ball %
47.5%
 
Line Drive %
16.4%
 
Fly Ball %
36.1%
 
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
Sitting Saturday
2BOakland Athletics
June 15, 2024
Gelof is not in the starting lineup Saturday against the Twins.
ANALYSIS
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Timely double in loss
2BOakland Athletics
June 13, 2024
Gelof went 2-for-4 with an RBI double in a loss to the Padres on Wednesday.
ANALYSIS
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Getting first true off day
2BOakland Athletics
June 9, 2024
Gelof is out of the lineup for Sunday's game against the Blue Jays, Martin Gallegos of MLB.com reports.
ANALYSIS
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Homer, steal in win
2BOakland Athletics
June 5, 2024
Gelof went 2-for-3 with a solo home run and a stolen base in Wednesday's 2-1 win over the Mariners.
ANALYSIS
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Provides lone run
2BOakland Athletics
June 2, 2024
Gelof went 1-for-4 with a solo home run during Sunday's 3-1 loss to Atlanta.
ANALYSIS
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