Justin Gonzales

19-Year-Old First Baseman1B
Boston Red Sox A+
2026 Fantasy Outlook
Gonzales would be a top-50 dynasty prospect if he could consistently lift the ball in the air, but given that he turned 19 this offseason, it's too early to rule out improvements. The 6-foot-4, 210-pound righty hitter can handle first base and is attempting to show he can cover enough ground to play corner outfield. Given that he was 18 all season, Gonzales' 15.9 percent strikeout rate and 9.5 percent walk rate across Single-A and High-A are stellar marks for a player with his plus-plus raw power projection. He had a 113 mph max EV in 2025 and routinely hits rockets to all fields, just rarely of the flyball variety. His 57.4 percent groundball rate and 21.6 percent flyball rate are horrid marks, but that's the one weakness in his offensive game. Gonzales doesn't chase much, but he's an aggressive hitter (50.8 percent swing rate), so he may not log the same caliber on-base percentages of other high-end first base prospects. If Gonzales can cut his groundball rate, he'll rocket up prospect rankings in 2026. Read Past Outlooks
RANKS
Rest of Season From Preseason
Signed a contract with the Red Sox in January of 2024.
Lifting ball more
1BBoston Red Sox  A+
April 13, 2026
Gonzales is slashing .276/.344/.517 with two home runs and a 21.9 percent strikeout rate in 32 plate appearances for High-A Greenville.
Analysis
Gonzales' inability to consistently lift the ball in the air has been the one thing holding him back from ascending way up prospect lists, and so far his 45.5 percent groundball rate and 31.8 percent flyball rate are career-best marks. These early adjustments have allowed him to produce a career-best .241 ISO and .517 SLG through this tiny sample. Gonzales is the second-youngest hitter at High-A, behind Rainiel Rodriguez, so he could climb into a lofty spot on prospect rankings by season's end if he can maintain these early batted-ball trends.
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Minor League Left/Right Batting Splits (A+)
Since 2024
 
 
+4%
OPS vs LHP
2026
 
 
+45%
OPS vs RHP
2025
 
 
+54%
OPS vs LHP
2024
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2024vs Left .610 19 0 1 .235 .316 .294
Since 2024vs Right .585 76 2 9 .206 .276 .309
2026vs Left .522 10 0 0 .222 3.000 .333
2026vs Right .755 36 2 6 .242 10.028 .455
2025vs Left .472 9 0 1 .250 3.000 .250
2025vs Right .306 40 0 3 .171 9.025 .171
2024vs Left 0 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0 0
Prospect Rankings History
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Recent RotoWire Articles Featuring Justin Gonzales See More
Recent RotoWire Articles Featuring Justin Gonzales See More
More Fantasy News
Heating up for Salem
1BBoston Red Sox  A+
July 22, 2025
Gonzales is slashing .320/.370/.520 with one home run, three steals and an 8:4 K:BB in his last 50 at-bats with Single-A Salem.
Analysis
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