Jonathan Mejía
St. Louis Cardinals (A)2B/SS
Age: 21
Bats/Throws: S/R
6'0" / 185
DOB: 4/12/2005
(21 years, 4 months, 24 days)
2B/SS
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Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | Age | G | PA | HR | R | RBI | SB | divider | BB% | K% | ISO | BABIP | divider | AVG | OBP | SLG | wOBA | xwOBA | wRC+ | divider | BsR | divider | Off | Def | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | STL | DSL | 17 | 45 | 208 | 5 | 33 | 34 | 3 | 15.9% | 23.1% | .212 | .348 | .267 | .418 | .479 | .436 | 138 | |||||||||
| 2023 | STL | CPX | 18 | 30 | 131 | 2 | 16 | 8 | 7 | 18.3% | 28.2% | .115 | .242 | .173 | .331 | .288 | .321 | 68 | |||||||||
| 2023 | STL | A | 18 | 11 | 33 | 0 | 3 | 2 | 1 | 12.1% | 30.3% | .036 | .167 | .107 | .242 | .143 | .215 | .273 | 25 | ||||||||
| 2023 | STL | MiLB | 18 | 41 | 164 | 2 | 19 | 10 | 8 | 17.1% | 28.7% | .098 | .226 | .159 | .313 | .258 | .299 | .273 | 59 | ||||||||
| 2024 | STL | CPX | 19 | 49 | 205 | 3 | 35 | 20 | 18 | 12.2% | 25.4% | .126 | .405 | .299 | .395 | .425 | .400 | 123 | |||||||||
| 2025 | STL | A | 20 | 74 | 324 | 6 | 43 | 30 | 18 | 14.2% | 32.7% | .125 | .270 | .183 | .303 | .308 | .303 | .273 | 81 | ||||||||
| 2026 | STL | ST | 21 | 3 | 6 | 0 | 2 | 0 | 1 | 16.7% | 33.3% | .200 | .667 | .400 | .500 | .600 | .482 | 194 | |||||||||
| 2026 | Steamer | PROJ | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 6.7% | 33.7% | .066 | .233 | .158 | .221 | .224 | .203 | 27 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2026 | OOPSY | PROJ | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 7.9% | 34.5% | .105 | .274 | .186 | .253 | .291 | .243 | 54 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2026 | STL | A | 21 | 76 | 321 | 12 | 45 | 53 | 9 | 18.4% | 27.4% | .204 | .277 | .220 | .368 | .424 | .372 | .329 | 114 | ||||||||
| 2026 | Steamer | ROS | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 6.7% | 33.6% | .084 | .237 | .164 | .226 | .248 | .216 | 33 | 0.0 | -0.1 | 0.0 | 0.0 |
| Season | Team | Level | Age | G | PA | HR | R | RBI | SB | divider | BB% | K% | ISO | BABIP | divider | AVG | OBP | SLG | wOBA | xwOBA | wRC+ | divider | BsR | divider | Off | Def | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | STL | DSL | 17 | 45 | 208 | 5 | 33 | 34 | 3 | 15.9% | 23.1% | .212 | .348 | .267 | .418 | .479 | .436 | 138 | |||||||||
| 2023 | STL | CPX | 18 | 30 | 131 | 2 | 16 | 8 | 7 | 18.3% | 28.2% | .115 | .242 | .173 | .331 | .288 | .321 | 68 | |||||||||
| 2023 | STL | A | 18 | 11 | 33 | 0 | 3 | 2 | 1 | 12.1% | 30.3% | .036 | .167 | .107 | .242 | .143 | .215 | .273 | 25 | ||||||||
| 2023 | STL | MiLB | 18 | 41 | 164 | 2 | 19 | 10 | 8 | 17.1% | 28.7% | .098 | .226 | .159 | .313 | .258 | .299 | .273 | 59 | ||||||||
| 2024 | STL | CPX | 19 | 49 | 205 | 3 | 35 | 20 | 18 | 12.2% | 25.4% | .126 | .405 | .299 | .395 | .425 | .400 | 123 | |||||||||
| 2025 | STL | A | 20 | 74 | 324 | 6 | 43 | 30 | 18 | 14.2% | 32.7% | .125 | .270 | .183 | .303 | .308 | .303 | .273 | 81 | ||||||||
| 2026 | STL | ST | 21 | 3 | 6 | 0 | 2 | 0 | 1 | 16.7% | 33.3% | .200 | .667 | .400 | .500 | .600 | .482 | 194 | |||||||||
| 2026 | Steamer | PROJ | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 6.7% | 33.7% | .066 | .233 | .158 | .221 | .224 | .203 | 27 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2026 | OOPSY | PROJ | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 7.9% | 34.5% | .105 | .274 | .186 | .253 | .291 | .243 | 54 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2026 | STL | A | 21 | 76 | 321 | 12 | 45 | 53 | 9 | 18.4% | 27.4% | .204 | .277 | .220 | .368 | .424 | .372 | .329 | 114 | ||||||||
| 2026 | Steamer | ROS | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 6.7% | 33.6% | .084 | .237 | .164 | .226 | .248 | .216 | 33 | 0.0 | -0.1 | 0.0 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring Training
| Season | Team | Level | G | AB | PA | H | 1B | 2B | 3B | HR | R | RBI | BB | IBB | SO | HBP | SF | SH | GDP | SB | CS | AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | STL | DSL | 45 | 165 | 208 | 44 | 22 | 14 | 3 | 5 | 33 | 34 | 33 | 0 | 48 | 10 | 0 | 0 | 0 | 3 | 2 | .267 |
| 2023 | STL | CPX | 30 | 104 | 131 | 18 | 13 | 0 | 3 | 2 | 16 | 8 | 24 | 0 | 37 | 1 | 1 | 0 | 4 | 7 | 1 | .173 |
| 2023 | STL | A | 11 | 28 | 33 | 3 | 2 | 1 | 0 | 0 | 3 | 2 | 4 | 0 | 10 | 1 | 0 | 0 | 0 | 1 | 0 | .107 |
| 2023 | STL | MiLB | 41 | 132 | 164 | 21 | 15 | 1 | 3 | 2 | 19 | 10 | 28 | 0 | 47 | 2 | 1 | 0 | 4 | 8 | 1 | .159 |
| 2024 | STL | CPX | 49 | 174 | 205 | 52 | 38 | 9 | 2 | 3 | 35 | 20 | 25 | 0 | 52 | 4 | 2 | 0 | 1 | 18 | 4 | .299 |
| 2025 | STL | A | 74 | 273 | 324 | 50 | 34 | 4 | 6 | 6 | 43 | 30 | 46 | 1 | 106 | 2 | 2 | 1 | 2 | 18 | 4 | .183 |
| 2026 | STL | ST | 3 | 5 | 6 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | .400 |
| 2026 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .158 | |
| 2026 | OOPSY | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .186 | |
| 2026 | STL | A | 76 | 255 | 321 | 56 | 31 | 10 | 3 | 12 | 45 | 53 | 59 | 0 | 88 | 3 | 4 | 0 | 2 | 9 | 6 | .220 |
| 2026 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .164 |
| Season | Team | Level | G | AB | PA | H | 1B | 2B | 3B | HR | R | RBI | BB | IBB | SO | HBP | SF | SH | GDP | SB | CS | AVG |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | STL | DSL | 45 | 165 | 208 | 44 | 22 | 14 | 3 | 5 | 33 | 34 | 33 | 0 | 48 | 10 | 0 | 0 | 0 | 3 | 2 | .267 |
| 2023 | STL | CPX | 30 | 104 | 131 | 18 | 13 | 0 | 3 | 2 | 16 | 8 | 24 | 0 | 37 | 1 | 1 | 0 | 4 | 7 | 1 | .173 |
| 2023 | STL | A | 11 | 28 | 33 | 3 | 2 | 1 | 0 | 0 | 3 | 2 | 4 | 0 | 10 | 1 | 0 | 0 | 0 | 1 | 0 | .107 |
| 2023 | STL | MiLB | 41 | 132 | 164 | 21 | 15 | 1 | 3 | 2 | 19 | 10 | 28 | 0 | 47 | 2 | 1 | 0 | 4 | 8 | 1 | .159 |
| 2024 | STL | CPX | 49 | 174 | 205 | 52 | 38 | 9 | 2 | 3 | 35 | 20 | 25 | 0 | 52 | 4 | 2 | 0 | 1 | 18 | 4 | .299 |
| 2025 | STL | A | 74 | 273 | 324 | 50 | 34 | 4 | 6 | 6 | 43 | 30 | 46 | 1 | 106 | 2 | 2 | 1 | 2 | 18 | 4 | .183 |
| 2026 | STL | ST | 3 | 5 | 6 | 2 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | .400 |
| 2026 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .158 | |
| 2026 | OOPSY | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .186 | |
| 2026 | STL | A | 76 | 255 | 321 | 56 | 31 | 10 | 3 | 12 | 45 | 53 | 59 | 0 | 88 | 3 | 4 | 0 | 2 | 9 | 6 | .220 |
| 2026 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .164 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesSpring TrainingAverages
| Season | Team | Level | BB% | K% | BB/K | divider | AVG | OBP | SLG | OPS | divider | ISO | Spd | BABIP | divider | UBR | wGDP | XBR | wSB | divider | wRC | wRAA | wOBA | wRC+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | STL | DSL | 15.9% | 23.1% | 0.69 | .267 | .418 | .479 | .897 | .212 | 6.1 | .348 | -0.3 | 43 | 13.4 | .436 | 138 | |||||||
| 2023 | STL | CPX | 18.3% | 28.2% | 0.65 | .173 | .331 | .288 | .619 | .115 | 7.7 | .242 | 0.7 | 14 | -4.9 | .321 | 68 | |||||||
| 2023 | STL | A | 12.1% | 30.3% | 0.40 | .107 | .242 | .143 | .385 | .036 | 5.7 | .167 | 0.1 | 1 | -3.5 | .215 | 25 | |||||||
| 2023 | STL | MiLB | 17.1% | 28.7% | 0.60 | .159 | .313 | .258 | .570 | .098 | 7.8 | .226 | 0.9 | 15 | -8.3 | .299 | 59 | |||||||
| 2024 | STL | CPX | 12.2% | 25.4% | 0.48 | .299 | .395 | .425 | .820 | .126 | 8.1 | .405 | 1.1 | 36 | 7.6 | .400 | 123 | |||||||
| 2025 | STL | A | 14.2% | 32.7% | 0.43 | .183 | .303 | .308 | .611 | .125 | 8.1 | .270 | 0.8 | 32 | -9.1 | .303 | 81 | |||||||
| 2026 | STL | ST | 16.7% | 33.3% | 0.50 | .400 | .500 | .600 | 1.100 | .200 | 7.5 | .667 | 0.2 | 2 | 0.7 | .482 | 194 | |||||||
| 2026 | Steamer | PROJ | 6.7% | 33.7% | 0.20 | .158 | .221 | .224 | .445 | .066 | 4.5 | .233 | 0.0 | 0.0 | 0 | -0.1 | .203 | 27 | ||||||
| 2026 | OOPSY | PROJ | 7.9% | 34.5% | 0.23 | .186 | .253 | .291 | .544 | .105 | 5.9 | .274 | 0.0 | 0 | -0.1 | .243 | 54 | |||||||
| 2026 | STL | A | 18.4% | 27.4% | 0.67 | .220 | .368 | .424 | .791 | .204 | 5.9 | .277 | -1.9 | 51 | 5.0 | .372 | 114 | |||||||
| 2026 | Steamer | ROS | 6.7% | 33.6% | 0.20 | .164 | .226 | .248 | .474 | .084 | 4.8 | .237 | 0.0 | 0.0 | 0 | -0.1 | .216 | 33 |
| Season | Team | Level | BB% | K% | BB/K | divider | AVG | OBP | SLG | OPS | divider | ISO | Spd | BABIP | divider | UBR | wGDP | XBR | wSB | divider | wRC | wRAA | wOBA | wRC+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | STL | DSL | 15.9% | 23.1% | 0.69 | .267 | .418 | .479 | .897 | .212 | 6.1 | .348 | -0.3 | 43 | 13.4 | .436 | 138 | |||||||
| 2023 | STL | CPX | 18.3% | 28.2% | 0.65 | .173 | .331 | .288 | .619 | .115 | 7.7 | .242 | 0.7 | 14 | -4.9 | .321 | 68 | |||||||
| 2023 | STL | A | 12.1% | 30.3% | 0.40 | .107 | .242 | .143 | .385 | .036 | 5.7 | .167 | 0.1 | 1 | -3.5 | .215 | 25 | |||||||
| 2023 | STL | MiLB | 17.1% | 28.7% | 0.60 | .159 | .313 | .258 | .570 | .098 | 7.8 | .226 | 0.9 | 15 | -8.3 | .299 | 59 | |||||||
| 2024 | STL | CPX | 12.2% | 25.4% | 0.48 | .299 | .395 | .425 | .820 | .126 | 8.1 | .405 | 1.1 | 36 | 7.6 | .400 | 123 | |||||||
| 2025 | STL | A | 14.2% | 32.7% | 0.43 | .183 | .303 | .308 | .611 | .125 | 8.1 | .270 | 0.8 | 32 | -9.1 | .303 | 81 | |||||||
| 2026 | STL | ST | 16.7% | 33.3% | 0.50 | .400 | .500 | .600 | 1.100 | .200 | 7.5 | .667 | 0.2 | 2 | 0.7 | .482 | 194 | |||||||
| 2026 | Steamer | PROJ | 6.7% | 33.7% | 0.20 | .158 | .221 | .224 | .445 | .066 | 4.5 | .233 | 0.0 | 0.0 | 0 | -0.1 | .203 | 27 | ||||||
| 2026 | OOPSY | PROJ | 7.9% | 34.5% | 0.23 | .186 | .253 | .291 | .544 | .105 | 5.9 | .274 | 0.0 | 0 | -0.1 | .243 | 54 | |||||||
| 2026 | STL | A | 18.4% | 27.4% | 0.67 | .220 | .368 | .424 | .791 | .204 | 5.9 | .277 | -1.9 | 51 | 5.0 | .372 | 114 | |||||||
| 2026 | Steamer | ROS | 6.7% | 33.6% | 0.20 | .164 | .226 | .248 | .474 | .084 | 4.8 | .237 | 0.0 | 0.0 | 0 | -0.1 | .216 | 33 |

