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Karson Milbrandt
- Jacksonville Jumbo Shrimp - AAA
- RHP
Collapse Explore Scouting Report
- Bats: R / Throws: R
- Age: 22
- Rule 5 Eligible: After 2026 Season
- Acquisition Method: Draft
Scouting Report
Marlins Video
Drafted by the Marlins in 2022 (third round, $1.5M signing bonus)
June 2026 update: Milbrandt's fastball velocity has been sitting in the mid-90s more consistently than it was in previous seasons. The right-hander's slider is a true plus offering and a new kick change has added depth to his arsenal. Left-handed batters still cause some trouble for him.
Milbrandt's mechanics tend to suddenly get out of sync, making him vulnerable to blow-up innings. Walks continue to be an issue against lefties.
His May 2026 performance with Double-A Pensacola (0.94 ERA and 47 K in 28.2 IP) was among the best for any individual month in Marlins minor league history.
Pitch mix
Injury history
- Fluid build-up in right arm (2025)
Professional awards/accolades/milestones
- 2025 Midwest League Pitcher of the Week
- 2025 High-A Beloit MVP
- 2025 Fall Stars Game selection
- 2026 Spring Breakout participant
- 2026 Southern League Pitcher of the Week (x2)
- 2026 Futures Game selection
FOF Top 30 history
- March 2024: #11
- May 2024: #12
- July 2024: #13
- August 2024: #18
- October 2024: #18
- December 2024: #18
- January 2025: #21
- March 2025: #23
- May 2025: #21
- June 2025: #20
- August 2025: #20
- September 2025: #19
- October 2025: #13
- January 2026: #13
- April 2026: #10
- June 2026: #6
- August 2026: #9
Monthly Splits
| Split | Team | W | L | ERA | G | GS | CG | SHO | SV | SVO | IP | H | R | ER | HR | HB | BB | IBB | SO | AVG | WHIP | GO/AO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Starter | 4 | 6 | 4.63 | 20 | 20 | 0 | 0 | 0 | 0 | 91.1 | 77 | 53 | 47 | 13 | 5 | 56 | 0 | 110 | .235 | 1.46 | 0.97 | |
| Seventh Inning | JAX | -- | -- | 9.00 | 1 | -- | -- | -- | -- | -- | 1.0 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | .400 | 3.00 | 0.00 |
| Runner at 3rd | -- | -- | -- | 12 | -- | -- | -- | -- | -- | 2.2 | 3 | -- | -- | 0 | 1 | 5 | 0 | 4 | .300 | 3.00 | 0.33 | |
| Eighth Inning | JAX | -- | -- | 81.00 | 1 | -- | -- | -- | -- | -- | 0.1 | 3 | 3 | 3 | 0 | 0 | 1 | 0 | 0 | 1.000 | 12.00 | 1.00 |
| Runner at 2nd | -- | -- | -- | 16 | -- | -- | -- | -- | -- | 6.0 | 5 | -- | -- | 1 | 0 | 6 | 0 | 5 | .217 | 1.83 | 0.86 | |
| Leading Off Inning | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 20.0 | 19 | -- | -- | 4 | 1 | 18 | 0 | 30 | .244 | 1.85 | 1.42 | |
| Runners at 2nd & 3rd | -- | -- | -- | 7 | -- | -- | -- | -- | -- | 3.1 | 3 | -- | -- | 1 | 0 | 2 | 0 | 5 | .273 | 1.50 | 3.00 | |
| On Turf | PNS | 3 | 0 | 1.35 | 5 | 5 | 0 | 0 | 0 | 0 | 26.2 | 16 | 4 | 4 | 1 | 1 | 9 | 0 | 43 | .174 | 0.94 | 1.54 |
| Third Inning | -- | -- | 2.95 | 19 | -- | -- | -- | -- | -- | 18.1 | 11 | 6 | 6 | 0 | 2 | 8 | 0 | 15 | .177 | 1.04 | 0.68 | |
| Fourth Inning | -- | -- | 7.41 | 18 | -- | -- | -- | -- | -- | 17.0 | 19 | 19 | 14 | 5 | 1 | 13 | 0 | 25 | .284 | 1.88 | 0.79 | |
| Fifth Inning | -- | -- | 6.30 | 12 | -- | -- | -- | -- | -- | 10.0 | 12 | 7 | 7 | 4 | 0 | 6 | 0 | 9 | .300 | 1.80 | 1.86 | |
| Runner at 1st | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 20.2 | 16 | -- | -- | 4 | 2 | 8 | 0 | 21 | .246 | 1.16 | 0.87 | |
| Sixth Inning | -- | -- | 0.00 | 6 | -- | -- | -- | -- | -- | 6.0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 7 | .111 | 0.67 | 3.50 | |
| Bases Empty | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 49.1 | 45 | -- | -- | 6 | 1 | 34 | 0 | 65 | .233 | 1.60 | 1.08 | |
| Night Games | 4 | 5 | 4.36 | 19 | 18 | 0 | 0 | 0 | 1 | 86.2 | 73 | 48 | 42 | 11 | 5 | 50 | 0 | 107 | .234 | 1.42 | 1.04 | |
| Late / Close | JAX | -- | -- | -- | 1 | -- | -- | -- | -- | -- | 0.1 | 1 | -- | -- | 0 | 0 | 0 | 0 | 0 | 1.000 | 3.00 | 1.00 |
| Batting Third | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 10.2 | 11 | -- | -- | 5 | 0 | 7 | 0 | 15 | .268 | 1.69 | 0.45 | |
| Batting Second | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 13.0 | 7 | -- | -- | 0 | 1 | 11 | 0 | 9 | .163 | 1.38 | 0.80 | |
| Batting Fifth | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 7.2 | 11 | -- | -- | 4 | 2 | 6 | 0 | 9 | .324 | 2.22 | 0.40 | |
| Batting Fourth | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 10.2 | 9 | -- | -- | 0 | 0 | 3 | 0 | 19 | .220 | 1.13 | 1.60 | |
| Batting First | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 12.0 | 13 | -- | -- | 0 | 2 | 9 | 0 | 13 | .295 | 1.83 | 0.58 | |
| No Outs | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 33.2 | 32 | -- | -- | 6 | 3 | 24 | 0 | 38 | .267 | 1.66 | 1.00 | |
| Two Outs | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 28.0 | 24 | -- | -- | 3 | 2 | 14 | 0 | 38 | .229 | 1.36 | 0.95 | |
| Runners at 1st & 2nd | -- | -- | -- | 17 | -- | -- | -- | -- | -- | 5.2 | 3 | -- | -- | 1 | 1 | 3 | 0 | 8 | .150 | 1.06 | 0.80 | |
| One Out | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 30.1 | 26 | -- | -- | 4 | 0 | 20 | 0 | 35 | .234 | 1.52 | 0.93 | |
| Ahead in Count | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 38.2 | 24 | -- | -- | 2 | 2 | 0 | 0 | 68 | .176 | 0.62 | 1.59 | |
| Batting Seventh | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 8.2 | 10 | -- | -- | 1 | 0 | 5 | 0 | 13 | .294 | 1.73 | 1.40 | |
| Runners at 1st & 3rd | -- | -- | -- | 10 | -- | -- | -- | -- | -- | 2.2 | 4 | -- | -- | 0 | 0 | 0 | 0 | 3 | .444 | 1.50 | 1.00 | |
| Batting Sixth | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 11.1 | 3 | -- | -- | 1 | 0 | 5 | 0 | 11 | .088 | 0.71 | 2.50 | |
| Batting Ninth | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 7.0 | 11 | -- | -- | 1 | 0 | 7 | 0 | 9 | .367 | 2.57 | 1.00 | |
| Bases Loaded | -- | -- | -- | 6 | -- | -- | -- | -- | -- | 1.2 | 3 | -- | -- | 0 | 0 | 0 | 0 | 0 | .600 | 1.80 | 0.33 | |
| Batting Eighth | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 9.2 | 7 | -- | -- | 1 | 0 | 5 | 0 | 13 | .200 | 1.24 | 1.50 | |
| On Grass | 1 | 7 | 6.41 | 16 | 15 | 0 | 0 | 0 | 1 | 66.0 | 66 | 53 | 47 | 12 | 4 | 49 | 0 | 68 | .270 | 1.74 | 0.84 | |
| Day Games | JAX | 0 | 2 | 13.50 | 2 | 2 | 0 | 0 | 0 | 0 | 6.0 | 9 | 9 | 9 | 2 | 0 | 8 | 0 | 4 | .375 | 2.83 | 0.33 |
| Home Games | 3 | 2 | 3.76 | 11 | 10 | 0 | 0 | 0 | 1 | 52.2 | 40 | 23 | 22 | 6 | 3 | 27 | 0 | 67 | .217 | 1.27 | 0.90 | |
| First Inning | -- | -- | 5.40 | 20 | -- | -- | -- | -- | -- | 20.0 | 21 | 13 | 12 | 2 | 1 | 13 | 0 | 30 | .276 | 1.70 | 0.79 | |
| Second Inning | -- | -- | 3.60 | 20 | -- | -- | -- | -- | -- | 20.0 | 12 | 8 | 8 | 2 | 1 | 14 | 0 | 24 | .185 | 1.30 | 1.00 | |
| Away Games | 1 | 5 | 6.53 | 10 | 10 | 0 | 0 | 0 | 0 | 40.0 | 42 | 34 | 29 | 7 | 2 | 31 | 0 | 44 | .276 | 1.83 | 1.03 | |
| July | JAX | 0 | 3 | 13.11 | 4 | 3 | 0 | 0 | 0 | 1 | 11.2 | 20 | 17 | 17 | 2 | 1 | 10 | 0 | 7 | .400 | 2.57 | 0.44 |
| Behind in Count | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 23.2 | 30 | -- | -- | 7 | 1 | 58 | 0 | 20 | .323 | 3.72 | 0.67 | |
| June | JAX | 0 | 0 | 2.33 | 4 | 4 | 0 | 0 | 0 | 0 | 19.1 | 10 | 5 | 5 | 0 | 0 | 17 | 0 | 19 | .164 | 1.40 | 0.89 |
| May | PNS | 4 | 0 | 0.94 | 5 | 5 | 0 | 0 | 0 | 0 | 28.2 | 16 | 3 | 3 | 1 | 0 | 8 | 0 | 47 | .162 | 0.84 | 2.00 |
| Scoring Position | -- | -- | -- | 20 | -- | -- | -- | -- | -- | 22.0 | 21 | -- | -- | 3 | 2 | 16 | 0 | 25 | .269 | 1.68 | 0.81 | |
| April | PNS | 0 | 1 | 1.96 | 4 | 4 | 0 | 0 | 0 | 0 | 18.1 | 14 | 9 | 4 | 3 | 1 | 9 | 0 | 23 | .212 | 1.25 | 1.07 |
| vs Right | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 48.1 | 47 | -- | -- | 5 | 4 | 17 | 0 | 56 | .263 | 1.32 | 1.00 | |
| August | JAX | 0 | 3 | 13.50 | 4 | 4 | 0 | 0 | 0 | 0 | 14.2 | 22 | 23 | 22 | 7 | 3 | 14 | 0 | 15 | .367 | 2.45 | 0.71 |
| Reliever | JAX | 0 | 1 | 27.00 | 1 | 0 | 0 | 0 | 0 | 1 | 1.1 | 5 | 4 | 4 | 0 | 0 | 2 | 0 | 1 | .625 | 5.25 | 0.50 |
| vs Left | -- | -- | -- | 21 | -- | -- | -- | -- | -- | 42.1 | 35 | -- | -- | 8 | 1 | 41 | 0 | 55 | .223 | 1.80 | 0.92 | |
| First Half | 4 | 1 | 1.31 | 12 | 12 | 0 | 0 | 0 | 0 | 62.0 | 38 | 14 | 9 | 4 | 1 | 28 | 0 | 85 | .179 | 1.06 | 1.37 | |
| Second Half | JAX | 0 | 6 | 12.33 | 9 | 8 | 0 | 0 | 0 | 1 | 30.2 | 44 | 43 | 42 | 9 | 4 | 30 | 0 | 26 | .355 | 2.41 | 0.55 |
| Season | Team | LG | Level | W | L | ERA | G | GS | CG | SHO | HLD | SV | SVO | IP | H | R | ER | HR | NP | HB | BB | IBB | SO | AVG | WHIP | GO/AO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | JUP | FSL | A | 0 | 0 | 9.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.0 | 2 | 2 | 2 | 0 | 32 | 0 | 1 | 0 | 1 | .250 | 1.50 | 0.25 |
| 2023 | 2 teams | - | Minors | 3 | 6 | 5.00 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 95.1 | 96 | 59 | 53 | 5 | 1775 | 2 | 50 | 0 | 93 | .262 | 1.53 | 0.79 |
| 2023 | JUP | FSL | A | 3 | 3 | 5.33 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 52.1 | 50 | 34 | 31 | 4 | 958 | 1 | 26 | 0 | 52 | .251 | 1.45 | 0.79 |
| 2023 | BEL | MID | A+ | 0 | 3 | 4.60 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 43.0 | 46 | 25 | 22 | 1 | 817 | 1 | 24 | 0 | 41 | .274 | 1.63 | 0.80 |
| 2024 | BEL | MID | A+ | 1 | 8 | 4.33 | 22 | 22 | 0 | 0 | 0 | 0 | 0 | 97.2 | 90 | 56 | 47 | 5 | 1734 | 6 | 57 | 0 | 91 | .244 | 1.51 | 0.97 |
| 2025 | 3 teams | - | Minors | 3 | 5 | 3.00 | 22 | 22 | 0 | 0 | 0 | 0 | 0 | 90.0 | 67 | 33 | 30 | 3 | 1614 | 8 | 48 | 0 | 113 | .203 | 1.28 | 1.22 |
| 2025 | JUP | FSL | A | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.0 | 0 | 0 | 0 | 0 | 32 | 1 | 1 | 0 | 2 | .000 | 0.50 | 1.00 |
| 2025 | BEL | MID | A+ | 2 | 5 | 3.26 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 77.1 | 59 | 31 | 28 | 3 | 1400 | 6 | 43 | 0 | 101 | .208 | 1.32 | 1.23 |
| 2025 | PNS | SOU | AA | 1 | 0 | 1.69 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 10.2 | 8 | 2 | 2 | 0 | 182 | 1 | 4 | 0 | 10 | .200 | 1.13 | 1.20 |
| 2026 | 2 teams | - | Minors | 4 | 7 | 4.95 | 21 | 20 | 0 | 0 | 0 | 0 | 1 | 92.2 | 82 | 57 | 51 | 13 | 1652 | 5 | 58 | 0 | 111 | .244 | 1.51 | 0.96 |
| 2026 | PNS | SOU | AA | 4 | 1 | 1.34 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 47.0 | 30 | 12 | 7 | 4 | 745 | 1 | 17 | 0 | 70 | .182 | 1.00 | 1.50 |
| 2026 | JAX | INT | AAA | 0 | 6 | 8.67 | 12 | 11 | 0 | 0 | 0 | 0 | 1 | 45.2 | 52 | 45 | 44 | 9 | 907 | 4 | 41 | 0 | 41 | .304 | 2.04 | 0.68 |
| Date | Team | OPP | W | L | ERA | G | GS | CG | SHO | SV | SVO | IP | H | R | ER | HR | HB | BB | IBB | SO | AVG | WHIP | GO/AO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-03 | PNS | vs MTG | 0 | 0 | 1.93 | 1 | 1 | 0 | 0 | 0 | 0 | 4.2 | 4 | 1 | 1 | 0 | 1 | 2 | 0 | 6 | .235 | 1.29 | 1.33 |
| 2026-04-11 | PNS | @ BLX | 0 | 1 | 1.08 | 1 | 1 | 0 | 0 | 0 | 0 | 3.2 | 3 | 5 | 0 | 1 | 0 | 4 | 0 | 3 | .226 | 1.56 | 0.88 |
| 2026-04-18 | PNS | vs KNX | 0 | 0 | 2.19 | 1 | 1 | 0 | 0 | 0 | 0 | 4.0 | 5 | 2 | 2 | 1 | 0 | 2 | 0 | 8 | .255 | 1.62 | 0.64 |
| 2026-04-25 | PNS | @ MTG | 0 | 0 | 1.96 | 1 | 1 | 0 | 0 | 0 | 0 | 6.0 | 2 | 1 | 1 | 1 | 0 | 1 | 0 | 6 | .212 | 1.25 | 1.07 |
| 2026-05-02 | PNS | vs BLX | 1 | 0 | 1.85 | 1 | 1 | 0 | 0 | 0 | 0 | 6.0 | 2 | 1 | 1 | 0 | 0 | 1 | 0 | 8 | .186 | 1.07 | 1.44 |
| 2026-05-09 | PNS | vs RCT | 1 | 0 | 1.48 | 1 | 1 | 0 | 0 | 0 | 0 | 6.0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 9 | .173 | 0.99 | 1.56 |
| 2026-05-16 | PNS | @ CHA | 1 | 0 | 1.24 | 1 | 1 | 0 | 0 | 0 | 0 | 6.0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | .168 | 0.91 | 1.65 |
| 2026-05-23 | PNS | vs COL | 1 | 0 | 1.06 | 1 | 1 | 0 | 0 | 0 | 0 | 6.0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 12 | .164 | 0.90 | 1.57 |
| 2026-05-30 | PNS | @ BIR | 0 | 0 | 1.34 | 1 | 1 | 0 | 0 | 0 | 0 | 4.2 | 6 | 2 | 2 | 1 | 0 | 3 | 0 | 7 | .182 | 1.00 | 1.50 |
| 2026-06-06 | JAX | vs NAS | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 6.0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | .118 | 0.83 | 0.75 |
| 2026-06-13 | JAX | vs GWN | 0 | 0 | 0.82 | 1 | 1 | 0 | 0 | 0 | 0 | 5.0 | 3 | 1 | 1 | 0 | 0 | 3 | 0 | 7 | .152 | 1.00 | 1.00 |
| 2026-06-20 | JAX | @ DUR | 0 | 0 | 1.20 | 1 | 1 | 0 | 0 | 0 | 0 | 4.0 | 3 | 1 | 1 | 0 | 0 | 5 | 0 | 7 | .170 | 1.27 | 1.08 |
| 2026-06-27 | JAX | vs MEM | 0 | 0 | 2.33 | 1 | 1 | 0 | 0 | 0 | 0 | 4.1 | 2 | 3 | 3 | 0 | 0 | 6 | 0 | 4 | .164 | 1.40 | 0.89 |
| 2026-07-04 | JAX | @ NAS | 0 | 1 | 4.15 | 1 | 1 | 0 | 0 | 0 | 0 | 2.1 | 6 | 5 | 5 | 0 | 1 | 3 | 0 | 0 | .222 | 1.66 | 0.82 |
| 2026-07-09 | JAX | vs DUR | 0 | 1 | 5.48 | 1 | 0 | 0 | 0 | 0 | 1 | 1.1 | 5 | 4 | 4 | 0 | 0 | 2 | 0 | 1 | .263 | 1.87 | 0.79 |
| 2026-07-18 | JAX | @ ROC | 0 | 0 | 5.67 | 1 | 1 | 0 | 0 | 0 | 0 | 4.0 | 4 | 3 | 3 | 1 | 0 | 2 | 0 | 5 | .263 | 1.81 | 0.75 |
| 2026-07-25 | JAX | @ WOR | 0 | 1 | 6.39 | 1 | 1 | 0 | 0 | 0 | 0 | 4.0 | 5 | 5 | 5 | 1 | 0 | 3 | 0 | 1 | .270 | 1.84 | 0.67 |
| 2026-08-01 | JAX | vs MEM | 0 | 1 | 7.39 | 1 | 1 | 0 | 0 | 0 | 0 | 4.1 | 7 | 8 | 7 | 3 | 1 | 2 | 0 | 4 | .285 | 1.87 | 0.60 |
| 2026-08-08 | JAX | @ GWN | 0 | 1 | 7.96 | 1 | 1 | 0 | 0 | 0 | 0 | 2.0 | 4 | 4 | 4 | 1 | 0 | 5 | 0 | 3 | .297 | 2.01 | 0.59 |
| 2026-08-15 | JAX | vs SYR | 0 | 0 | 7.65 | 1 | 1 | 0 | 0 | 0 | 0 | 5.0 | 5 | 3 | 3 | 2 | 1 | 2 | 0 | 7 | .295 | 1.94 | 0.58 |
| 2026-08-22 | JAX | @ MEM | 0 | 1 | 8.67 | 1 | 1 | 0 | 0 | 0 | 0 | 3.1 | 6 | 8 | 8 | 1 | 1 | 5 | 0 | 1 | .304 | 2.04 | 0.68 |
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