ValuCast

Minor Leagues

Backfields

Prospects, call-ups, risers, and minor-league signal in one place.

Values updated JULY 30, 2026
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Ahead of the Curve

Top buy signals from the current board

Full Ahead of the Curve board

Early Calls

ValuCast ranks these higher than the public field

221 early calls tracked since 2026-06-13 42 of 153 matured decided calls (14+ days) ended with the field coming to us (28%) · 0.92x the matched-control baseline retired calls count against us — full ledger

+61

VC #4 vs field ~#65

Ahead of the field 36 days · since 2026-06-24

5 boards

+60

VC #6 vs field ~#66

Ahead of the field 47+ days · tracked since 2026-06-13

5 boards

+137

VC #18 vs field ~#155

Ahead of the field 33 days · since 2026-06-27

3 boards

+58

VC #8 vs field ~#66

Ahead of the field 38 days · since 2026-06-22

5 boards

+169

VC #24 vs field ~#193

Ahead of the field 36 days · since 2026-06-24

3 boards

+131

VC #22 vs field ~#153

Ahead of the field 36 days · since 2026-06-24

3 boards

+177

VC #31 vs field ~#208

Ahead of the field 34 days · since 2026-06-26

3 boards

+79

VC #16 vs field ~#95

Ahead of the field 36 days · since 2026-06-24

4 boards

+170

VC #36 vs field ~#206

Ahead of the field 33 days · since 2026-06-27

3 boards

+327

VC #75 vs field ~#402

Ahead of the field 17 days · since 2026-07-13

3 boards

+209

VC #60 vs field ~#269

Ahead of the field 34 days · since 2026-06-26

3 boards

+340

VC #108 vs field ~#448

Ahead of the field 34 days · since 2026-06-26

3 boards

+40

VC #14 vs field ~#54

Ahead of the field 22 days · since 2026-07-08

4 boards

+171

VC #64 vs field ~#235

Ahead of the field 36 days · since 2026-06-24

3 boards

+343

VC #133 vs field ~#476

Ahead of the field 30 days · since 2026-06-30

3 boards

+97

VC #39 vs field ~#136

Ahead of the field 38 days · since 2026-06-22

4 boards

+127

VC #57 vs field ~#184

Ahead of the field 17 days · since 2026-07-13

3 boards

+60

VC #27 vs field ~#87

Ahead of the field 36 days · since 2026-06-24

3 boards

+109

VC #51 vs field ~#160

Ahead of the field 27 days · since 2026-07-03

3 boards

+32

VC #15 vs field ~#47

Ahead of the field 39 days · since 2026-06-21

5 boards

+91

VC #48 vs field ~#139

Ahead of the field 36 days · since 2026-06-24

3 boards

+35

VC #19 vs field ~#54

Ahead of the field 38 days · since 2026-06-22

4 boards

+227

VC #124 vs field ~#351

Ahead of the field 36 days · since 2026-06-24

3 boards

+247

VC #143 vs field ~#390

Ahead of the field 36 days · since 2026-06-24

3 boards

+32

VC #20 vs field ~#52

Ahead of the field 12 days · since 2026-07-18

3 boards

Show thinly-covered calls (25) — only 2 boards, weaker agreement

+255

VC #25 vs field ~#280

Ahead of the field 16 days · since 2026-07-14

2 boards

+269

VC #34 vs field ~#303

Ahead of the field 16 days · since 2026-07-14

2 boards

+193

VC #38 vs field ~#231

Ahead of the field 30 days · since 2026-06-30

2 boards

+196

VC #42 vs field ~#238

Ahead of the field 34 days · since 2026-06-26

2 boards

+260

VC #58 vs field ~#318

Ahead of the field 23 days · since 2026-07-07

2 boards

+63

VC #17 vs field ~#80

Ahead of the field 41 days · since 2026-06-19

2 boards

+260

VC #77 vs field ~#337

Ahead of the field 17 days · since 2026-07-13

2 boards

+336

VC #106 vs field ~#442

Ahead of the field 30 days · since 2026-06-30

2 boards

+242

VC #79 vs field ~#321

Ahead of the field 34 days · since 2026-06-26

2 boards

+237

VC #91 vs field ~#328

Ahead of the field 27 days · since 2026-07-03

2 boards

+200

VC #84 vs field ~#284

Ahead of the field 34 days · since 2026-06-26

2 boards

+147

VC #65 vs field ~#212

Ahead of the field 30 days · since 2026-06-30

2 boards

+79

VC #37 vs field ~#116

Ahead of the field 34 days · since 2026-06-26

2 boards

+264

VC #132 vs field ~#396

Ahead of the field 34 days · since 2026-06-26

2 boards

+136

VC #73 vs field ~#209

Ahead of the field 34 days · since 2026-06-26

2 boards

+112

VC #62 vs field ~#174

Ahead of the field 38 days · since 2026-06-22

2 boards

+140

VC #78 vs field ~#218

Ahead of the field 7 days · since 2026-07-23

2 boards

+300

VC #170 vs field ~#470

Ahead of the field 30 days · since 2026-06-30

2 boards

+251

VC #147 vs field ~#398

Ahead of the field 16 days · since 2026-07-14

2 boards

+230

VC #138 vs field ~#368

Ahead of the field 17 days · since 2026-07-13

2 boards

+150

VC #114 vs field ~#264

Ahead of the field 16 days · since 2026-07-14

2 boards

+123

VC #95 vs field ~#218

Ahead of the field 2 days · since 2026-07-28

2 boards

+255

VC #207 vs field ~#462

Ahead of the field 1 day · since 2026-07-29

2 boards

+71

VC #72 vs field ~#143

Ahead of the field 27 days · since 2026-07-03

2 boards

+249

VC #283 vs field ~#532

Ahead of the field 1 day · since 2026-07-29

2 boards

Rankings

Showing top 100

Team Boards

Top prospects by MLB organization

ARI 104 ATH 96 ATL 83 BAL 110 BOS 95 CHC 99 CHW 98 CIN 92 CLE 110 COL 93 DET 88 HOU 101 KC 85 LAA 87 LAD 100 MIA 107 MIL 102 MIN 98 NYM 89 NYY 98 PHI 93 PIT 102 SDP 89 SFG 96 SEA 74 STL 115 TBR 99 TEX 96 TOR 108 WSN 92

Seattle Mariners

74 prospects in the ValuCast pool · ValuCast prospect order

System snapshot

Current ValuCast prospect pool
Top-20 value 474.6
Top-5 value share 45.3%
Top-20 balance 8 H / 12 P
Top-20 levels AAA 1 · AA 6 · A+ 10 · A 3

Top prospects

Risers

ValuCast buys

10

C Everett AquaSox ETA ~1-2 yr

A+ - 19.3
12

P Everett AquaSox ETA ~2-3 yr

A+ - 16.3
13

P Everett AquaSox ETA ~2-3 yr

A+ - 15.3
14

P Arkansas Travelers ETA ~1-2 yr

AA - 14.5
15

P Inland Empire 66ers ETA ~2-3 yr

A - 14.5
16

P Everett AquaSox ETA ~2-3 yr

A+ - 14.3
19

RF Wisconsin Timber Rattlers ETA ~2-3 yr

A+ - 13.1
20

P Inland Empire 66ers ETA ~2-3 yr

A - 12.5

Call-up watch

Scouting reports

  • Kade Anderson Stat Grounded A 1.3 ERA and a 0.60 WHIP at Double-A, across 77.7 innings, is the kind of line that makes you look for the catch. Ten walks in 276 batters faced — that's the whole argument. The translation puts his K/9 at 10.0 and his BB/9 at...
  • Ryan Sloan Stat Grounded The walk rate is the whole argument: 1.6 BB/9 at AA, which translates to 2.4 at the MLB level while the field sits at 3.2, putting him in the 99th percentile of the pitcher pool against his peers. Twelve walks in 67.3 innings i...
  • Lazaro Montes Stat Grounded The power across AAA & AA this season is the loudest thing in the profile, and it's also the problem. Twenty-eight home runs with a .301 ISO in 420 plate appearances puts him at the 99th percentile in isolated power among this...
  • Felnin Celesten Stat Grounded The .308/.403/.524 line across AA & A+ at age 20 is loud, and the 20 stolen bases push the overall profile into genuinely exciting territory. The translation is where it gets complicated: the ISO that reads .216 in the minors l...
  • Luke Stevenson Stat Grounded The walk rate is genuinely loud: 73 walks in 345 A+ plate appearances, a 21% clip that translates to 14.1% at the MLB level, well clear of the 8.5% MLB average. The power follows — a .245 ISO at A+ that comes out to .161 in tra...

Scouting Reports

Latest looks

Open all scouting reports
Stat Grounded

P / AA / SEA

A 1.3 ERA and a 0.60 WHIP at Double-A, across 77.7 innings, is the kind of line that makes you look for the catch. Ten walks in 276 batters faced — that's the whole argument. The translation puts his K/9 at 10.0 and his BB/9 at...

Stat Grounded

SS / A+ / WSN

The line does not show a second offensive strength at the same level; he forces pitchers into the zone and takes the free pass. The walks create an everyday path, but the present outcome is a reserve. He is 18 in High-A and Sin...

Stat Grounded

CF / AAA / DET

The strikeout rate is the lead. At AAA in 2026, Clark is punching out at 16% across 418 plate appearances — a number that translates to 18.7% against big-league pitching, well below a league average that sits around 22%. That's...

Stat Grounded

P / A+ / LAA

The strikeout-to-walk gap is doing real work here: a 22% K-BB% at A+ ranks 92nd percentile in his pitcher pool, and the 12.1 K/9 across 43.3 innings translates to 8.7 per nine at the MLB equivalent, which lands almost exactly a...

Stat Grounded

CF / AAA / MIN

The contact-plus-patience combination here is the argument. Across AAA, A+, and A this year, Jenkins is hitting .294/.398/.482 with 32 walks against 33 strikeouts in 231 plate appearances, and when you translate that discipline...

Stat Grounded

P / AAA / CHW

The 13.5 K/9 at AAA is the loudest number in the profile, and it translates to 10.3 per nine against MLB hitters while the league sits at 8.6. The problem sitting right next to it is 39 walks across 56 innings, a 6.3 BB/9 that...

ValuCast and Backfields Ahead of the Curve.