Juan Sierra

OF Fayetteville Woodpeckers
Age 21 R/R 6'2" / 208 lbs A HR -6% Svc 0.0 · Ctrl thru 2037
Overview
APROSPECTMiLBFA 2038
ETA2029MLB%0%
YearAgeLvl / TeamPAAVG/OBP/SLGHRSBwRC+WARMLE AVG/OBP/SLG
202519ROKHOU122.289/.415/.4022170—.229/.314/.324
202620AHOU266.236/.309/.41410755—.193/.248/.320
202620ROKHOU15.000/.267/.00000-38—.000/.133/.000
2027PROJ0% MLB21MLBHOU391.207/.268/.3339769-0.4
2028PROJ34% MLB22MLBHOU113.214/.276/.3473273-0.2
2029PROJ48% MLB23MLBHOU199.217/.280/.3555477-0.2
Next 3 projected WAR -0.8Projected rows: MLB playing time only, park and league context applied.
ContractESTIMATED
Control thru2037Service0.0First FA2038
2027MiLB2028MiLB2029MiLB2030MiLB2031MiLB2032Pre-Arb$0.9M2033Pre-Arb$0.9M2034Pre-Arb$1.0M+3
Skills · percentileMiLB Statcast 2026 A
ISO70
wRC+41
Z-Con%41
Speed40
wOBA38
K%37
Career WAR0 WAR median (P10 -0 / P90 1, comp-based) · star 2% · didn't stick 92%
CompsJohan Mieses (age 21) · Brian Sanchez (age 21) · Jhonkensy Noel (age 20)
2027 FULL-SEASON PROJECTIONpark-neutral Marcel · 271 proj PA
wRC+†69
AVG/OBP/SLG.205 / .266 / .330
PA271
HR6
SB5
K%28
BB%7
ISO126
MLB%0%
Value2027 · WAR
BAT: -10.1 runs (wOBA-derived runs vs avg)-10BATRUN: +0.2 runs (SB/CS + UBR baserunning)+0RUNFLD: +0.0 runs (Defensive runs vs avg)+0FLDPOS: -1.6 runs (Positional adjustment)-2POSREP: +5.9 runs (Replacement-level credit)+6REPTotal WAR: -0.40-0.4WAR
0.00.51.00.00.00.027282930313233343536
━ projected WAR━ paid WAR ($/8M) surplus deficit-$3M ctrl surplus
Tools · ContractCON 31 / POW 48
Toolsscout grade
CONTACT31
scouting grade only
POWER48
scouting grade only
EYE51
scouting grade only
SPEED52
scouting grade only
Contract ESTIMATED · service-time + WAR-based estimator (needs verification)
Status   MiLB
MLB Debut   2032
Service   0 yrs (est)
Team Control Through   2037
First FA Year   2038
YearStatusSalary Proj WAR Value Surplus
2027MiLBstill in minors · estimated debut 2032
2028MiLBstill in minors · estimated debut 2032
2029MiLBstill in minors · estimated debut 2032
2030MiLBstill in minors · estimated debut 2032
2031MiLBstill in minors · estimated debut 2032
2032Pre-Arb$0.9M———
2033Pre-Arb$0.9M———
2034Pre-Arb$1.0M———
2035Extbeyond projection horizon · no WAR estimate
2036Extbeyond projection horizon · no WAR estimate
2037Extbeyond projection horizon · no WAR estimate
Totals $0.0M $-1M +$0.0M

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. 2027 = actual YTD + projected ROS + total. 2028+ via Advanced Marcel + aging curve.

YearAge LvlTeam MLB% PAAB H2B3BHR BBSOHBP SBCS AVGOBPSLGOPS ISOBABIP K%BB% wOBAwRC+ BATRUNFLDPOSREP WAR
▸ Career — actual stats, one row per stint (as recorded, no adjustments)
202317 ROKDSL Astros Blue — 150121 21304 25293 11 174329298626 124191 1917 297 13 — — — — — —
202418 ROKDSL Astros Blue — 195163 441009 22407 103 270380497877 227299 2111 383 47 — — — — — —
202519 ROKFCL Astros — 12297 28502 19262 12 289415402817 113356 2116 363 70 — — — — — —
202620 AFayetteville Woodpeckers — 266237 5610110 22703 76 236309414723 177286 268 318 55 — — — — — —
202620 ROKFCL Astros — 1511 0000 440 00 267267 2727 186 -38 — — — — — —
▸ Career — adjusted (every ACTUAL line translated to park/league-neutral MLB equivalents)
202317 ROK MLEDSL Astros Blue — 150128 13202 18353 11 102228164392 62116 2312 188 13 — — — — — —
202418 ROK MLEDSL Astros Blue — 195170 27604 15507 103 159255265520 106189 268 238 47 — — — — — —
202519 ROK MLEFCL Astros — 122105 24402 11382 12 229314324637 95287 319 271 70 — — — — — —
202620 A MLEFayetteville Woodpeckers — 266244 47817 15953 76 193248320568 127263 366 249 55 — — — — — —
202620 ROK MLEFCL Astros — 1513 0000 260 00 133133 4013 112 -38 — — — — — —
202317 ROK MLEDSL Astros Blue — 150128 13202 18353 11 102228164392 62120 2312 188 13 — — — — — —
202317 ROK RAWDSL Astros Blue — 150121 21304 25293 11 174329298626 124191 1917 297 13 — — — — — —
202418 ROK MLEDSL Astros Blue — 195170 27604 15507 103 159255265520 106193 268 238 47 — — — — — —
202418 ROK RAWDSL Astros Blue — 195163 441009 22407 103 270380497877 227299 2111 383 47 — — — — — —
202519 ROK MLEFCL Astros — 122105 24402 11382 12 229314324637 95319 319 271 70 — — — — — —
202519 ROK RAWFCL Astros — 12297 28502 19262 12 289415402817 113356 2116 363 70 — — — — — —
202620 A MLE2 teams — 281256 47817 181013 76 184245305550 121263 366 242 50 — — — — — —
202620 A RAW2 teams — 281248 5610110 26743 76 226307395702 169274 269 311 50 — — — — — —
202317 ROK MLEDSL Astros Blue — 150128 13202 18353 11 102228164392 62116 2312 188 13 — — — — — —
202418 ROK MLEDSL Astros Blue — 195171 27604 15507 103 158255263518 105189 268 238 47 — — — — — —
202519 ROK MLEFCL Astros — 122108 24402 11382 12 222314315628 93287 319 271 70 — — — — — —
202620 A MLE2 teams — 281258 47817 181013 76 182245302548 120249 366 242 50 — — — — — —
▸ Model inputs — neutral MLE (past 3 seasons)
202418 ROK MLEDSL Astros Blue — 195171 27604 15507 103 158255263518 105189 268 238 47 — — — — — —
202519 ROK MLEFCL Astros — 122108 24402 11382 12 222314315628 93287 319 271 70 — — — — — —
202620 A MLE2 teams — 281258 47817 181013 76 182245302548 120249 366 242 50 — — — — — —
▸ 2027 season
▸ 2027 — full MLE projection (neutral park, full availability)
202721 MLB MLEHOU 0% 391358 741429 261094 73 207268333601 126267 287 270 69 -15 +0 +0 -2 +8 -0.4
▸ Career projection (2028+) — MLB context, MLB playing time (PA × MLB%)
202822 MLB MLEHOU 34% 330302 641228 22903 62 211274344618 133269 277 277 73 -10 +0 +0 -2 +7 -0.5
202923 MLB MLEHOU 48% 411375 8115211 291104 83 215278352631 137271 277 282 77 -11 +0 +0 -2 +9 -0.5
203024 MLB MLEHOU 53% 465424 9217213 331235 93 218282358640 140273 267 286 80 -11 +1 +0 -3 +10 -0.4
203125 MLB MLEHOU 55% 495451 9818214 361305 104 219284361646 142274 267 288 81 -11 +0 +0 -3 +11 -0.3
203226 MLB MLEHOU 56% 511464 10219214 371335 104 220286363649 143275 267 290 82 -11 +0 +0 -3 +11 -0.2
203327 MLB MLEHOU 55% 517469 10219214 381355 104 219285361646 141274 267 288 81 -12 +0 +0 -3 +11 -0.3
203428 MLB MLEHOU 55% 516468 10219214 381365 94 218283356639 139273 267 286 79 -13 +0 -1 -3 +11 -0.5
202822 MLB CTXHOU 34% 113103 22413 8311 21 214276347623 133273 277 279 73 -4 +0 +0 -1 +2 -0.2
202923 MLB CTXHOU 48% 199181 40815 14532 41 217280355635 137275 277 284 77 -5 +0 +0 -1 +4 -0.2
203024 MLB CTXHOU 53% 245223 491016 17653 52 220284360644 140277 277 288 80 -6 +0 +0 -1 +5 -0.2
203125 MLB CTXHOU 55% 271247 541117 19713 52 222286364650 142278 267 290 81 -6 +0 +0 -2 +6 -0.2
203226 MLB CTXHOU 56% 284258 571118 21743 52 223288366654 143279 267 292 82 -6 +0 +0 -2 +6 -0.1
203327 MLB CTXHOU 55% 284258 571118 21743 52 222287363650 141278 267 290 81 -6 +0 +0 -2 +6 -0.2
203428 MLB CTXHOU 55% 282256 561117 21743 52 220285358643 139277 267 288 79 -7 +0 -0 -2 +6 -0.3
▸ Career Totals
▸ Career totals — MLB only (actual + projected)
Career— A+C — 16781526 33566744 12144218 3112 220285358643 139278 267 288 73 -40 +1 -0 -10 +36 -1.3
/ 162G— A+C — 650591 13026317 471717 125 220285360646 140278 267 288 73 -16 +1 -0 -4 +14 -0.5
Career— MLE — 42643860 80314916109 313115650 8638 208276340616 132264 277 276 73 -89 +3 -1 -21 +76 -3.2
/ 162G— MLE — 650588 12323217 481768 136 209278342620 133265 277 276 73 -16 +1 -0 -4 +14 -0.6