Jonathan Mejia
St. Louis Cardinals (A)2B/SS
Age: 20
Bats/Throws: S/R
6'0" / 185
DOB: 4/12/2005
(20 years, 16 days)
2B/SS
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Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | Age | G G - Games Played | PA PA - Plate Appearances | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | SB SB - Stolen Bases | divider | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | ISO ISO - Isolated Power (SLG-AVG) | BABIP BABIP - Batting Average on Balls in Play | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | wOBA wOBA - Weighted On Base Average (Linear Weights) | xwOBA xwOBA - Expected weighted on-base average | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA | divider | BsR Base Running - Base running runs above average, includes SB or CS | divider | Off Offense - Batting and Base Running combined (above average) | Def Defense - Fielding and Positional Adjustment combined (above average) | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 25 | |||||||||
| 2023 | STL | MiLB | 18 | 41 | 164 | 2 | 19 | 10 | 8 | 17.1% | 28.7% | .098 | .226 | .159 | .313 | .258 | .299 | 59 | |||||||||
| 2024 | STL | CPX | 19 | 49 | 205 | 3 | 35 | 20 | 18 | 12.2% | 25.4% | .126 | .405 | .299 | .395 | .425 | .400 | 122 | |||||||||
| 2025 | Steamer | PROJ | 20 | 0 | 1 | 0 | 0 | 0 | 0 | 5.5% | 32.9% | .050 | .214 | .147 | .202 | .197 | .183 | 14 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | OOPSY | PROJ | 20 | 0 | 1 | 0 | 0 | 0 | 0 | 6.9% | 34.2% | .096 | .282 | .191 | .251 | .287 | .240 | 53 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | STL | A | 20 | 17 | 83 | 2 | 12 | 7 | 1 | 16.9% | 34.9% | .159 | .289 | .188 | .325 | .348 | .333 | 100 | |||||||||
| 2025 | Steamer | ROS | 0 | 1 | 0 | 0 | 0 | 0 | 6.5% | 35.0% | .064 | .238 | .157 | .220 | .221 | .205 | 27 | 0.0 | -0.1 | 0.0 | 0.0 |
| Season | Team | Level | Age | G G - Games Played | PA PA - Plate Appearances | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | SB SB - Stolen Bases | divider | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | ISO ISO - Isolated Power (SLG-AVG) | BABIP BABIP - Batting Average on Balls in Play | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | wOBA wOBA - Weighted On Base Average (Linear Weights) | xwOBA xwOBA - Expected weighted on-base average | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA | divider | BsR Base Running - Base running runs above average, includes SB or CS | divider | Off Offense - Batting and Base Running combined (above average) | Def Defense - Fielding and Positional Adjustment combined (above average) | WAR WAR - Wins Above Replacement |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 25 | |||||||||
| 2023 | STL | MiLB | 18 | 41 | 164 | 2 | 19 | 10 | 8 | 17.1% | 28.7% | .098 | .226 | .159 | .313 | .258 | .299 | 59 | |||||||||
| 2024 | STL | CPX | 19 | 49 | 205 | 3 | 35 | 20 | 18 | 12.2% | 25.4% | .126 | .405 | .299 | .395 | .425 | .400 | 122 | |||||||||
| 2025 | Steamer | PROJ | 20 | 0 | 1 | 0 | 0 | 0 | 0 | 5.5% | 32.9% | .050 | .214 | .147 | .202 | .197 | .183 | 14 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | OOPSY | PROJ | 20 | 0 | 1 | 0 | 0 | 0 | 0 | 6.9% | 34.2% | .096 | .282 | .191 | .251 | .287 | .240 | 53 | 0.0 | -0.1 | 0.0 | 0.0 | |||||
| 2025 | STL | A | 20 | 17 | 83 | 2 | 12 | 7 | 1 | 16.9% | 34.9% | .159 | .289 | .188 | .325 | .348 | .333 | 100 | |||||||||
| 2025 | Steamer | ROS | 0 | 1 | 0 | 0 | 0 | 0 | 6.5% | 35.0% | .064 | .238 | .157 | .220 | .221 | .205 | 27 | 0.0 | -0.1 | 0.0 | 0.0 |
Preseason ProjectionsIn-Season ProjectionsMinor Leagues
| Season | Team | Level | G G - Games Played | AB AB - At Bats | PA PA - Plate Appearances | H H - Hits | 1B 1B - Singles | 2B 2B - Doubles | 3B 3B - Triples | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | BB BB - Walks | IBB IBB - Intentional Walks | SO SO - Strike Outs | HBP HBP - Hit by Pitch | SF SF - Sacrifice Fly | SH SH - Sacrifice Hit | GDP GDP - Ground into Double Play | SB SB - Stolen Bases | CS CS - Caught Stealing | AVG AVG - Batting Average (H/AB) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .147 | |
| 2025 | OOPSY | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .191 | |
| 2025 | STL | A | 17 | 69 | 83 | 13 | 8 | 1 | 2 | 2 | 12 | 7 | 14 | 0 | 29 | 0 | 0 | 0 | 0 | 1 | 2 | .188 |
| 2025 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .157 |
| Season | Team | Level | G G - Games Played | AB AB - At Bats | PA PA - Plate Appearances | H H - Hits | 1B 1B - Singles | 2B 2B - Doubles | 3B 3B - Triples | HR HR - Home Runs | R R - Runs | RBI RBI - Runs Batted In | BB BB - Walks | IBB IBB - Intentional Walks | SO SO - Strike Outs | HBP HBP - Hit by Pitch | SF SF - Sacrifice Fly | SH SH - Sacrifice Hit | GDP GDP - Ground into Double Play | SB SB - Stolen Bases | CS CS - Caught Stealing | AVG AVG - Batting Average (H/AB) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Steamer | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .147 | |
| 2025 | OOPSY | PROJ | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .191 | |
| 2025 | STL | A | 17 | 69 | 83 | 13 | 8 | 1 | 2 | 2 | 12 | 7 | 14 | 0 | 29 | 0 | 0 | 0 | 0 | 1 | 2 | .188 |
| 2025 | Steamer | ROS | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .157 |
Preseason ProjectionsIn-Season ProjectionsMinor LeaguesAverages
| Season | Team | Level | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | BB/K BB/K - Walk to Strikeout Ratio (BB/SO) | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | OPS OPS - On Base + Slugging Percentage | divider | ISO ISO - Isolated Power (SLG-AVG) | Spd Spd - Speed Score (4 Component Version) | BABIP BABIP - Batting Average on Balls in Play | divider | UBR UBR - Ultimate Base Running in runs above average, does not include SB or CS | wGDP wGDP - Ground into Double Play Runs above average | XBR XBR - Statcast baserunning above average | wSB wSB - Stolen Bases and Caught Stealing runs above average | divider | wRC wRC - Runs Created based wOBA | wRAA wRAA - Runs Above Average based on wOBA | wOBA wOBA - Weighted On Base Average (Linear Weights) | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 122 | |||||||
| 2025 | Steamer | PROJ | 5.5% | 32.9% | 0.17 | .147 | .202 | .197 | .398 | .050 | 4.2 | .214 | 0.0 | 0.0 | 0 | -0.1 | .183 | 14 | ||||||
| 2025 | OOPSY | PROJ | 6.9% | 34.2% | 0.20 | .191 | .251 | .287 | .538 | .096 | 5.3 | .282 | 0.0 | 0 | -0.1 | .240 | 53 | |||||||
| 2025 | STL | A | 16.9% | 34.9% | 0.48 | .188 | .325 | .348 | .673 | .159 | 5.7 | .289 | -0.9 | 10 | -0.4 | .333 | 100 | |||||||
| 2025 | Steamer | ROS | 6.5% | 35.0% | 0.19 | .157 | .220 | .221 | .441 | .064 | 4.4 | .238 | 0.0 | 0.0 | 0 | -0.1 | .205 | 27 |
| Season | Team | Level | BB% BB% - Walk Percentage (BB/PA) | K% K% - Strikeout Percentage (SO/PA) | BB/K BB/K - Walk to Strikeout Ratio (BB/SO) | divider | AVG AVG - Batting Average (H/AB) | OBP OBP - On Base Percentage | SLG SLG - Slugging Percentage | OPS OPS - On Base + Slugging Percentage | divider | ISO ISO - Isolated Power (SLG-AVG) | Spd Spd - Speed Score (4 Component Version) | BABIP BABIP - Batting Average on Balls in Play | divider | UBR UBR - Ultimate Base Running in runs above average, does not include SB or CS | wGDP wGDP - Ground into Double Play Runs above average | XBR XBR - Statcast baserunning above average | wSB wSB - Stolen Bases and Caught Stealing runs above average | divider | wRC wRC - Runs Created based wOBA | wRAA wRAA - Runs Above Average based on wOBA | wOBA wOBA - Weighted On Base Average (Linear Weights) | wRC+ wRC+ - Runs per PA scaled where 100 is average; both league and park adjusted; based on wOBA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 122 | |||||||
| 2025 | Steamer | PROJ | 5.5% | 32.9% | 0.17 | .147 | .202 | .197 | .398 | .050 | 4.2 | .214 | 0.0 | 0.0 | 0 | -0.1 | .183 | 14 | ||||||
| 2025 | OOPSY | PROJ | 6.9% | 34.2% | 0.20 | .191 | .251 | .287 | .538 | .096 | 5.3 | .282 | 0.0 | 0 | -0.1 | .240 | 53 | |||||||
| 2025 | STL | A | 16.9% | 34.9% | 0.48 | .188 | .325 | .348 | .673 | .159 | 5.7 | .289 | -0.9 | 10 | -0.4 | .333 | 100 | |||||||
| 2025 | Steamer | ROS | 6.5% | 35.0% | 0.19 | .157 | .220 | .221 | .441 | .064 | 4.4 | .238 | 0.0 | 0.0 | 0 | -0.1 | .205 | 27 |
