Jonathan Sierra
PosRF
B/TL/L
Born1998-10-17
Age (2026)27
Career Stats + Projections
Viewactual = stats as recorded (prior seasons combined) + projected real-world MLB lines · MLE = level/park-neutral translations
Methodology▸ how these numbers are built
All seasons translated to park-neutral MLB-equivalent (MLE) and combined per year. 2026 = actual YTD + projected ROS + total. 2027+ via Advanced Marcel + aging curve.
| Year | Age | Lvl | Team | MLB% | PA | AB | H | 2B | 3B | HR | BB | SO | HBP | SB | CS | AVG | OBP | SLG | OPS | ISO | BABIP | K% | BB% | wOBA | wRC+ | BAT | RUN | FLD | POS | REP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 17 | ROK | DSL Cubs 1 | — | 264 | 235 | 46 | 8 | 2 | 0 | 23 | 69 | 6 | 12 | 5 | 196 | 284 | 247 | 531 | 51 | 277 | 26 | 9 | 241 | 43 | — | — | — | — | — | — |
| 2016 | 17 | ROK | DSL Cubs 1 | — | 264 | 220 | 58 | 11 | 3 | 0 | 37 | 48 | 6 | 12 | 5 | 264 | 383 | 341 | 723 | 77 | 337 | 18 | 14 | 337 | 116 | — | — | — | — | — | — |
| 2017 | 18 | ROK | AZL Cubs | — | 205 | 193 | 33 | 6 | 1 | 1 | 10 | 85 | 2 | 6 | 2 | 171 | 220 | 228 | 447 | 57 | 299 | 41 | 5 | 209 | 18 | — | — | — | — | — | — |
| 2017 | 18 | ROK | AZL Cubs | — | 205 | 185 | 48 | 10 | 2 | 2 | 18 | 59 | 2 | 6 | 2 | 259 | 332 | 368 | 699 | 108 | 371 | 29 | 9 | 317 | 101 | — | — | — | — | — | — |
| 2019 | 20 | A | South Bend Cubs | — | 408 | 386 | 76 | 13 | 1 | 3 | 15 | 90 | 2 | 2 | 3 | 197 | 231 | 259 | 490 | 62 | 246 | 22 | 4 | 214 | 22 | — | — | — | — | — | — |
| 2019 | 20 | A | South Bend Cubs | — | 408 | 380 | 92 | 18 | 2 | 3 | 21 | 62 | 2 | 2 | 3 | 242 | 285 | 324 | 609 | 82 | 279 | 15 | 5 | 272 | 67 | — | — | — | — | — | — |
| 2021 | 22 | A | Myrtle Beach Pelicans | — | 313 | 282 | 59 | 12 | 1 | 2 | 25 | 90 | 4 | 1 | 1 | 209 | 283 | 280 | 563 | 71 | 298 | 29 | 8 | 255 | 53 | — | — | — | — | — | — |
| 2021 | 22 | A | Myrtle Beach Pelicans | — | 313 | 273 | 68 | 13 | 1 | 3 | 34 | 61 | 4 | 1 | 1 | 249 | 341 | 337 | 678 | 88 | 310 | 19 | 11 | 311 | 96 | — | — | — | — | — | — |
| 2022 | 23 | A+ | South Bend Cubs | — | 203 | 190 | 41 | 6 | 0 | 3 | 12 | 44 | 0 | 0 | 1 | 216 | 262 | 295 | 557 | 79 | 264 | 22 | 6 | 251 | 50 | — | — | — | — | — | — |
| 2022 | 23 | A+ | South Bend Cubs | — | 203 | 184 | 47 | 8 | 0 | 3 | 18 | 33 | 0 | 0 | 1 | 255 | 322 | 348 | 670 | 92 | 295 | 16 | 9 | 304 | 91 | — | — | — | — | — | — |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| Career | — | — | 1393 | 1286 | 255 | 45 | 5 | 9 | 85 | 378 | 14 | 21 | 12 | 198 | 256 | 262 | 518 | 64 | 272 | 27 | 6 | 233 | 37 | -100 | -1 | +0 | -15 | +39 | -7.8 | ||
| / 162G | — | — | 650 | 600 | 118 | 21 | 2 | 4 | 40 | 176 | 7 | 10 | 6 | 197 | 255 | 258 | 514 | 62 | 270 | 27 | 6 | 233 | 37 | -47 | -0 | +0 | -7 | +18 | -3.6 | ||
Historical Stats — Raw (Per Stint)
Actual MLB + MiLB stats as they happened, one row per stint at each level. Use this to see what really got recorded; the table above shows MLB-equivalent translations + projections.
| Year | Age | Lvl | Team | MLB% | PA | AB | H | 2B | 3B | HR | BB | SO | HBP | SB | CS | AVG | OBP | SLG | OPS | ISO | BABIP | K% | BB% | wOBA | wRC+ | BAT | RUN | FLD | POS | REP | WAR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 17 | ROK | DSL Cubs 1 | — | 264 | 220 | 58 | 11 | 3 | 0 | 37 | 48 | 6 | 12 | 5 | 264 | 383 | 341 | 723 | 77 | 337 | 18 | 14 | 337 | 116 | +5 | +0 | — | — | +7 | 1.3 |
| 2017 | 18 | ROK | AZL Cubs | — | 205 | 185 | 48 | 10 | 2 | 2 | 18 | 59 | 2 | 6 | 2 | 259 | 332 | 368 | 699 | 108 | 371 | 29 | 9 | 317 | 101 | +0 | +0 | — | — | +6 | 0.7 |
| 2019 | 20 | A | South Bend Cubs | — | 408 | 380 | 92 | 18 | 2 | 3 | 21 | 62 | 2 | 2 | 3 | 242 | 285 | 324 | 609 | 82 | 279 | 15 | 5 | 272 | 67 | -15 | -1 | — | — | +12 | -0.5 |
| 2021 | 22 | A | Myrtle Beach Pelicans | — | 313 | 273 | 68 | 13 | 1 | 3 | 34 | 61 | 4 | 1 | 1 | 249 | 341 | 337 | 678 | 88 | 310 | 19 | 11 | 311 | 96 | -1 | -0 | — | — | +9 | 0.7 |
| 2022 | 23 | A+ | South Bend Cubs | — | 203 | 184 | 47 | 8 | 0 | 3 | 18 | 33 | 0 | 0 | 1 | 255 | 322 | 348 | 670 | 92 | 295 | 16 | 9 | 304 | 91 | -2 | -0 | — | — | +6 | 0.3 |