Jonathan Sierra
PosRF
B/TL/L
Born1998-10-17
Age (2026)27
Career Stats + Projections
Real MLB stats plus park-adjusted projections — this season (so far / rest / full), then future seasons and career totals.
basis chips:
RAW = as recorded ·
CTX = with park/league context ·
A+C = actual + context combined ·
MLE = level/park-neutral
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▸ Career — actual stats, one row per stint (as recorded, no adjustments) | |||||||||||||||||||||||||||||||
| 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 | 114 | +4 | +0 | — | — | +6 | 1.1 |
| 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 | — | — | +4 | 0.5 |
| 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 | 71 | -14 | -1 | — | — | +9 | -0.6 |
| 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 | 97 | -1 | -0 | — | — | +7 | 0.5 |
| 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 | 92 | -2 | -0 | — | — | +4 | 0.2 |
| ▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents) | |||||||||||||||||||||||||||||||
| 2016 | 17 | ROK MLE | DSL Cubs 1 | — | 264 | 235 | 46 | 8 | 2 | 0 | 23 | 69 | 6 | 12 | 5 | 196 | 284 | 247 | 531 | 51 | 274 | 26 | 9 | 241 | 49 | -16 | +0 | — | — | +6 | -1.0 |
| 2017 | 18 | ROK MLE | AZL Cubs | — | 205 | 193 | 33 | 6 | 1 | 1 | 10 | 85 | 2 | 6 | 2 | 171 | 220 | 228 | 447 | 57 | 302 | 41 | 5 | 209 | 28 | -18 | +0 | — | — | +4 | -1.3 |
| 2019 | 20 | A MLE | South Bend Cubs | — | 408 | 386 | 76 | 13 | 1 | 3 | 15 | 87 | 2 | 2 | 3 | 197 | 231 | 259 | 490 | 62 | 239 | 21 | 4 | 214 | 31 | -34 | -1 | — | — | +9 | -2.6 |
| 2021 | 22 | A MLE | Myrtle Beach Pelicans | — | 313 | 283 | 59 | 11 | 1 | 2 | 24 | 86 | 4 | 1 | 1 | 208 | 280 | 276 | 555 | 67 | 290 | 27 | 8 | 253 | 57 | -16 | -0 | — | — | +7 | -0.9 |
| 2022 | 23 | A+ MLE | South Bend Cubs | — | 203 | 190 | 43 | 7 | 0 | 3 | 12 | 44 | 0 | 0 | 1 | 226 | 272 | 311 | 583 | 84 | 271 | 22 | 6 | 251 | 56 | -11 | -0 | — | — | +4 | -0.7 |
| 2016 | 17 | ROK MLE | DSL Cubs 1 | — | 264 | 235 | 46 | 8 | 2 | 0 | 23 | 69 | 6 | 12 | 5 | 196 | 284 | 247 | 531 | 51 | 277 | 26 | 9 | 241 | 49 | — | — | — | — | — | — |
| 2016 | 17 | ROK RAW | DSL Cubs 1 | — | 264 | 220 | 58 | 11 | 3 | 0 | 37 | 48 | 6 | 12 | 5 | 264 | 383 | 341 | 723 | 77 | 337 | 18 | 14 | 337 | 49 | — | — | — | — | — | — |
| 2017 | 18 | ROK MLE | AZL Cubs | — | 205 | 193 | 33 | 6 | 1 | 1 | 10 | 85 | 2 | 6 | 2 | 171 | 220 | 228 | 447 | 57 | 299 | 41 | 5 | 209 | 28 | — | — | — | — | — | — |
| 2017 | 18 | ROK RAW | AZL Cubs | — | 205 | 185 | 48 | 10 | 2 | 2 | 18 | 59 | 2 | 6 | 2 | 259 | 332 | 368 | 699 | 108 | 371 | 29 | 9 | 317 | 28 | — | — | — | — | — | — |
| 2019 | 20 | A MLE | South Bend Cubs | — | 408 | 386 | 76 | 13 | 1 | 3 | 15 | 87 | 2 | 2 | 3 | 197 | 231 | 259 | 490 | 62 | 243 | 21 | 4 | 214 | 31 | — | — | — | — | — | — |
| 2019 | 20 | A RAW | South Bend Cubs | — | 408 | 380 | 92 | 18 | 2 | 3 | 21 | 62 | 2 | 2 | 3 | 242 | 285 | 324 | 609 | 82 | 279 | 15 | 5 | 272 | 31 | — | — | — | — | — | — |
| 2021 | 22 | A MLE | Myrtle Beach Pelicans | — | 313 | 283 | 59 | 11 | 1 | 2 | 24 | 86 | 4 | 1 | 1 | 208 | 280 | 276 | 555 | 67 | 291 | 27 | 8 | 253 | 57 | — | — | — | — | — | — |
| 2021 | 22 | A RAW | Myrtle Beach Pelicans | — | 313 | 273 | 68 | 13 | 1 | 3 | 34 | 61 | 4 | 1 | 1 | 249 | 341 | 337 | 678 | 88 | 310 | 19 | 11 | 311 | 57 | — | — | — | — | — | — |
| 2022 | 23 | A+ MLE | South Bend Cubs | — | 203 | 190 | 43 | 7 | 0 | 3 | 12 | 44 | 0 | 0 | 1 | 226 | 272 | 311 | 583 | 84 | 278 | 22 | 6 | 251 | 56 | — | — | — | — | — | — |
| 2022 | 23 | A+ RAW | South Bend Cubs | — | 203 | 184 | 47 | 8 | 0 | 3 | 18 | 33 | 0 | 0 | 1 | 255 | 322 | 348 | 670 | 92 | 295 | 16 | 9 | 304 | 56 | — | — | — | — | — | — |
| 2016 | 17 | ROK MLE | DSL Cubs 1 | — | 264 | 233 | 46 | 8 | 2 | 0 | 23 | 69 | 6 | 12 | 5 | 197 | 284 | 249 | 533 | 52 | 274 | 26 | 9 | 241 | 49 | — | — | — | — | — | — |
| 2017 | 18 | ROK MLE | AZL Cubs | — | 205 | 191 | 33 | 6 | 1 | 1 | 10 | 85 | 2 | 6 | 2 | 173 | 220 | 230 | 450 | 58 | 302 | 41 | 5 | 209 | 28 | — | — | — | — | — | — |
| 2019 | 20 | A MLE | South Bend Cubs | — | 408 | 388 | 76 | 13 | 1 | 3 | 15 | 87 | 2 | 2 | 3 | 196 | 231 | 258 | 489 | 62 | 239 | 21 | 4 | 214 | 31 | — | — | — | — | — | — |
| 2021 | 22 | A MLE | Myrtle Beach Pelicans | — | 313 | 282 | 59 | 11 | 1 | 2 | 24 | 86 | 4 | 1 | 1 | 209 | 280 | 277 | 556 | 67 | 290 | 27 | 8 | 253 | 57 | — | — | — | — | — | — |
| 2022 | 23 | A+ MLE | South Bend Cubs | — | 203 | 189 | 43 | 7 | 0 | 3 | 12 | 44 | 0 | 0 | 1 | 228 | 272 | 312 | 584 | 85 | 271 | 22 | 6 | 251 | 56 | — | — | — | — | — | — |
| ▸ Career Totals | |||||||||||||||||||||||||||||||
| Career | — | MLE | — | 1393 | 1287 | 257 | 45 | 5 | 9 | 84 | 371 | 14 | 21 | 12 | 200 | 256 | 263 | 520 | 64 | 272 | 27 | 6 | 233 | 44 | -94 | -1 | +0 | -15 | +30 | -8.1 | |
| / 162G | — | MLE | — | 650 | 601 | 119 | 21 | 2 | 4 | 39 | 173 | 7 | 10 | 6 | 198 | 255 | 260 | 515 | 62 | 269 | 27 | 6 | 233 | 44 | -44 | -0 | +0 | -7 | +14 | -3.8 | |