MJ Melendez

MJ Melendez

26-Year-Old OutfielderOF
Kansas City Royals AAA
2025 Fantasy Outlook
Melendez led the minor leagues with 41 home runs in 2021, but he has managed just 51 homers and a .397 SLG in his first 1,587 MLB plate appearances. He has not made progress with his strikeout rate, and his walk rate, a strength when he first broke in to the majors in 2022, fell to a career-low 7.8 percent last season. The former catching prospect seems to be done behind the plate since he did not make a single appearance at the catcher position for the Royals in 2024, playing primarily in left field. Consider him a platoon outfielder, though he projects to be on the strong side, at least to open the campaign. This type of power is tough to give up on, but the 26-year-old is on thin ice as a regular and will need to show more in 2025. Read Past Outlooks
RANKS
Rest of Season From Preseason
#381
ADP
$Signed a one-year, $2.65 million contract with the Royals in January of 2025.
Optioned to Triple-A
OFKansas City Royals  AAA
April 19, 2025
The Royals optioned Melendez to Triple-A Omaha on Saturday.
ANALYSIS
Melendez has logged just one base hit across his last seven games and only three since the beginning of April. He'll now head to the minors in order to sort things out at the plate, making room on the active roster for Mark Canha (hip) to return from the IL.
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Batting Stats
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2025
2024
2023
2022
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2024 MLB Game Log
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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
2
8
2
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
1
Left/Right Batting Splits
Since 2023
 
 
+32%
OPS vs RHP
2025
 
 
+343%
OPS vs LHP
2024
 
 
+85%
OPS vs RHP
2023
 
 
+26%
OPS vs RHP
OPS PA R HR RBI SB AVG OBP SLG
Since 2023vs Left .544 228 19 4 22 3 .200 .241 .302
Since 2023vs Right .717 876 94 30 79 7 .220 .305 .412
2025vs Left .971 10 2 1 1 0 .143 .400 .571
2025vs Right .219 42 2 0 0 0 .075 .119 .100
2024vs Left .395 74 5 0 4 0 .164 .176 .219
2024vs Right .732 376 39 17 40 4 .215 .293 .440
2023vs Left .597 144 12 3 17 3 .222 .264 .333
2023vs Right .751 458 53 13 39 3 .239 .332 .420
Home/Away Batting Splits
Since 2023
 
 
+16%
OPS at Home
2025
 
 
+22%
OPS on Road
2024
 
 
+21%
OPS at Home
2023
 
 
+13%
OPS at Home
OPS PA R HR RBI SB AVG OBP SLG
Since 2023Home .728 565 66 18 58 7 .239 .319 .410
Since 2023Away .630 539 47 16 43 3 .192 .263 .366
2025Home .310 27 2 0 0 0 .083 .185 .125
2025Away .377 25 2 1 1 0 .087 .160 .217
2024Home .739 221 25 8 24 4 .238 .303 .436
2024Away .611 229 19 9 20 0 .176 .245 .367
2023Home .756 317 39 10 34 3 .253 .341 .415
2023Away .667 285 26 6 22 3 .215 .288 .379
Minor League Left/Right Batting Splits (AAA)
Since 2023
 
 
-100%
OPS vs LHP
2025
 
 
-100%
OPS vs LHP
2024
No Stats
2023
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2023vs Left 1.000 2 0 0 .500 .500 .500
Since 2023vs Right .000 4 0 0 .000 .000 .000
2025vs Left 1.000 2 0 0 .500 1.000 .500
2025vs Right .000 4 0 0 .000 .000 .000
2024vs Left 0 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0 0
2023vs Left 0 0 0 0 0 0 0 0 0
2023vs Right 0 0 0 0 0 0 0 0 0
Stat Review
How does MJ Melendez 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
0.15
 
BB Rate
5.8%
 
K Rate
38.5%
 
BABIP
.115
 
ISO
.085
 
AVG
.085
 
OBP
.173
 
SLG
.170
 
OPS
.343
 
wOBA
.167
 
Exit Velocity
90.1 mph
 
Hard Hit Rate
33.3%
 
Barrels/PA
5.8%
 
Expected BA
.139
 
Expected SLG
.275
 
Sprint Speed
24.3 ft/sec
 
Ground Ball %
33.3%
 
Line Drive %
11.1%
 
Fly Ball %
55.6%
 
Prospect Rankings History
Advanced Batting Stats
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Additional Stats
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Defensive Stats
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Batted Ball Stats
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Stats Vs Upcoming Pitchers
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Recent RotoWire Articles Featuring MJ Melendez See More
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Past Fantasy Outlooks
2024
2023
2022
2019
At best, you could say Melendez stagnated from his first to second season. At worst, you could say he slipped a bit, as a drop in OPS+ from 99 to 95 and a rise in strikeout rate from 24.5 percent to 28.2 percent can attest. If you're looking for a silver lining, it's that Melendez still hit the ball very hard when he made contact, boasting an average exit velocity in the 96th percentile and a barrel rate in the 75th percentile. He's also a flyball hitter and a pull hitter, things that, when combined with his quality of contact, make it curious as to how his home run total dropped. There could still be some untapped potential with Melendez, and he did finish with an .861 OPS and eight homers over the final two months. The team and ballpark context are poor, though, and he's losing catcher eligibility.
Melendez gets a passing grade, offensively. As a 23-year-old rookie, he popped 18 home runs and drew 66 walks in 534 plate appearances, putting him roughly league average by wRC+. It's defensively where the questions come up. Melendez struggled behind the plate both defensively (-18 DRS) and with pitch framing. Salvador Perez is still locked in as the near-everyday catcher when healthy, so Melendez will likely see most of his time in the outfield to begin 2023. He's not a finished product with the bat, but the 2021 minor-league home run leader clears the bar in two-catcher leagues. The defensive questions leave open some playing-time downside, but the rebuilding Royals would be wise to live with his limitations and hand Melendez 500-plus PA again to evaluate his progress against big-league pitching.
Melendez bounced back from a horrific showing at High-A in 2019 (39.4 K%) to lead the minors with 41 home runs while hitting .288/.386/.625 in 123 games at Double-A and Triple-A. He had a great 39.2 Hard% along with a 14.1 BB% and a 21.7 K%. Melendez always had plus raw power, but he overhauled his swing and stance, which was the cause of his surprise resurgence. With Salvador Perez locked in as the Royals' primary catcher, Melendez is expected to get work at third base and the corner outfield spots at Triple-A, where his 70-grade arm could still add value. Kansas City has a lot of hitters vying for playing time at those positions and designated hitter this upcoming season, so it's unclear when he will be given a look as an everyday player in the majors. His power should translate whenever he gets his shot, and he should eventually make enough contact to hit for a passable batting average. The key to his long-term fantasy value will be for him to get enough starts at catcher to retain that eligibility, which could lead to him being one of the leaders in plate appearances for catcher-eligible players, assuming he is playing other positions when he is not catching.
One of the most athletic high-end catching prospects in recent memory, Melendez has plus power and should be able to stick behind the plate. He sells out for home runs at times (30.3 K%), but was still 28 percent better than the average Sally League hitter as a 19-year-old. His .241 ISO and 19 home runs ranked fourth and fifth in the league, respectively. Not only is that level of production rare for teenage catchers at Low-A, but catchers that age are very rarely even assigned to a full-season league. While he hit more balls to the opposite field (28.2%) than he did in the AZL in 2017 (22.2%), it still seems unlikely that Melendez will ever hit much better than .250 as he climbs the ladder, though that hardly excludes him from being a top fantasy catcher. He has plenty of time to improve as a receiver, and his plus arm, athleticism and ability to speak fluent English and Spanish are big marks in his favor. Look for him to debut in 2021 or 2022.
More Fantasy News
Sitting again Saturday
OFKansas City Royals  AAA
April 19, 2025
Melendez isn't in the lineup for Saturday's game against Detroit.
ANALYSIS
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Sitting Friday
OFKansas City Royals  AAA
April 18, 2025
Melendez is not in the Royals' starting lineup against the Tigers on Friday.
ANALYSIS
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Absent from lineup
OFKansas City Royals  AAA
April 17, 2025
Melendez is not in the lineup for Thursday's game in Detroit.
ANALYSIS
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Hits first homer of 2025
OFKansas City Royals  AAA
April 15, 2025
Melendez went 1-for-4 with a solo home run in Tuesday's 4-2 loss to the Yankees.
ANALYSIS
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Hitting bench Monday
OFKansas City Royals  AAA
April 14, 2025
Melendez is out of the lineup for Monday's game against the Yankees.
ANALYSIS
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Latest Fantasy Rumors
Punishing baseballs
OFKansas City Royals  AAA
April 26, 2023
Melendez leads the league with an average exit velocity of 96.2 mph.
ANALYSIS
Melendez is slashing just .178/.282/.342 through 90 plate appearances, but when he's making contact he's among the most dangerous young hitters in baseball. Melendez supplied 18 homers last season and is an intriguing buy-low in deeper leagues and keeper formats.
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