⚾ Daily Matchup Lab

Pitcher arsenal vs expected lineup matchup edges for today's MLB slate.

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Sat, Oct 17, 2026
All Games (1) ★ Focus (0) Lineup Edge Pitcher Edge Balanced Low Confidence

Matchups

1 game
Tampa Bay Rays @ Cleveland Guardians
7:08 PM ET · Progressive Field
Nick Martinez vs Shawn Armstrong
Evenly matched tonight
BalancedGame Edge V1.1 Low Confidence
Tampa Bay Rays starter Nick Martinez (3.10 ERA) — Cleveland Guardians starter Shawn Armstrong (4.58 ERA) — Matchup appears evenly balanced.
Game Edge V1.1: Tampa Bay Rays 3.45 · Cleveland Guardians 3.40 · total 6.85 · Cleveland Guardians differential -0.05.
Participation and degraded-input diagnostics
Legacy Matchup Lean -2.89 · previous GE1 -2.21 · corrected GE1 -0.22
Previous GE1 runs: Tampa Bay Rays 3.47 / Cleveland Guardians 2.92
Relative lineup movement: Tampa Bay Rays +0.021 runs; Cleveland Guardians +0.058 runs.
Tampa Bay Rays offense starter interaction: PL1 PLATOON +0.0670; combined factor 1.0670.
Cleveland Guardians offense starter interaction: PL1 PLATOON +0.0037; combined factor 1.0037.
Tampa Bay Rays starter: 20.0 BF · normal starter · current season recent start median
Cleveland Guardians starter: 18.0 BF · spot or bulk starter · neutral starter fallback
Bullpen exposure: Tampa Bay Rays 4 named arm(s) + 0.0 residual BF; Cleveland Guardians 5 named arm(s) + 0.0 residual BF.
Lineups: confirmed / confirmed · defense neutral no fielding metric · environment phase1a park weather.
Missing/degraded: starter workload fallback, fielding defense metric.
Log in to track picks
Tampa Bay Rays
Cleveland Guardians
Overall edge indicator — left = Tampa Bay Rays · right = Cleveland Guardians · expected-participation run differential
Away Lineup: Confirmed
Home Lineup: Confirmed
Tonight's Lineup

Season skill anchors the rating; recent form is supporting context. Game Edge V1 consumes the selected lineup quality and its personnel/replacement state.

Tampa Bay Rays lineup
Confirmed: Average (101.3) · season 99.4 · recent 100.0
Order: top 108.8 · middle 116.3 · bottom 75.9
Handedness: 6 L / 4 R / 1 S vs RHP starter.
Vs RHP: 0.771 weighted OPS vs 0.723 league · 11/11 hitters · 3871 combined PA · above average (reliable sample)
Personnel: Near normal · 0 regulars absent · 0 with accepted reason · delta 0.0 quality points
Vs starter: 25 combined direct PA · Small sample. Pitch interaction: available.
Availability reason is unknown; absence is not labeled as injury or healthy.
Cleveland Guardians lineup
Confirmed: Weak (88.8) · season 84.9 · recent 100.0
Order: top 102.0 · middle 87.1 · bottom 78.1
Handedness: 5 L / 2 R / 4 S vs RHP starter.
Vs RHP: 0.725 weighted OPS vs 0.723 league · 11/11 hitters · 3544 combined PA · average (reliable sample)
Personnel: Stronger than normal · 2 regulars absent · 0 with accepted reason · delta 17.6 quality points
Rhys Hoskins absent · reason unknown
Kyle Manzardo absent · reason unknown
Jo Adell in selected lineup as replacement context · quality 100.1
Nathaniel Lowe in selected lineup as replacement context · quality 72.6
Vs starter: 60 combined direct PA · Small sample. Pitch interaction: available.
Availability reason is unknown; absence is not labeled as injury or healthy.
Pitcher Context

How good are tonight's starters? Hover any stat for a plain-English explanation.

Nick Martinez
Tampa Bay Rays · RHP · 31 GS
Average
3.10ERA
1.09WHIP
5.50K/9
1.30BB/9
1.10HR/9
180.0IP
4.01FIP
FIP = what the pitcher truly controlled: Ks, walks, and home runs — ignores whether balls in play fell in for hits.
FIP uses full-season pitcher data.
Shawn Armstrong
Cleveland Guardians · RHP
Building Sample
4.58ERA
1.36WHIP
8.70K/9
4.30BB/9
0.80HR/9
35.3IP
3.77FIP
⚠ 35.3 IP gives usable pitcher context — but only 0 GS means starter-role performance is less certain.
FIP = what the pitcher truly controlled: Ks, walks, and home runs — ignores whether balls in play fell in for hits.
FIP uses full-season pitcher data.
Starter vs Opponent & Current Lineup

What each starter has actually done against this club and the selected lineup. Direct BvP is context, never a model override.

Nick Martinez vs Cleveland Guardians
Historical matchup evidence is hidden because the current serving rebuild is newer than this game. Replay SPL1 at that game's pregame cutoff to view it without leakage.
Shawn Armstrong vs Tampa Bay Rays
Historical matchup evidence is hidden because the current serving rebuild is newer than this game. Replay SPL1 at that game's pregame cutoff to view it without leakage.
Pitch-Family & Type Context

Every hitter has pitch types they crush and types that give them trouble. Green = hits it hard. Red = struggles. ★ = their best pitch type to hit. ▼ = their weakness.

ℹ Pitcher Arsenal Context
  • No valid arsenal serving rows are available for these starter IDs.
  • The table below shows each hitter's broader season history vs pitch families.
Tampa Bay Rays Hitters vs Pitch Families (opp. starter: Shawn Armstrong )
📖 Reading this table: green wOBA = hits this pitch hard · red wOBA = struggles vs this pitch · ★ = hitter's best pitch type · ▼ = weakest pitch type · PA = at-bats vs that pitch (higher = more reliable data)
↔ Swipe sideways to see all pitch families
# Hitter Fastball Slider/Sweep Changeup Curve/Slurve Splitter
1 Yandy Díaz 0.320 463pa 0.451 154pa ★ 0.350 70pa 0.303 66pa ▼ 0.287 24pa Tiny Sample
2 Jonathan Aranda 0.347 467pa ★ 0.336 123pa 0.334 77pa 0.339 51pa 0.241 30pa ▼
3 Chandler Simpson 0.316 464pa 0.339 104pa ★ 0.192 64pa ▼ 0.283 38pa 0.231 22pa Tiny Sample
4 Junior Caminero 0.413 386pa 0.323 206pa 0.290 88pa ▼ 0.280 61pa 0.484 26pa ★
5 Ben Williamson 0.344 204pa ★ 0.211 76pa 0.173 36pa ▼ 0.296 22pa Tiny Sample 0.376 8pa Tiny Sample
5 Cedric Mullins 0.296 339pa 0.253 93pa 0.300 44pa ★ 0.249 44pa ▼ 0.171 17pa Tiny Sample
5 Liam Hicks 0.351 373pa 0.292 107pa ▼ 0.333 71pa 0.400 37pa ★ 0.343 27pa
6 Victor Mesa Jr. 0.333 185pa 0.316 61pa 0.467 28pa ★ 0.247 25pa ▼ 0.189 14pa Tiny Sample
7 Jonny DeLuca 0.327 252pa ★ 0.264 110pa 0.239 54pa ▼ 0.253 28pa 0.293 6pa Tiny Sample
7 Nick Fortes 0.309 223pa ★ 0.204 72pa ▼ 0.301 42pa 0.495 14pa Tiny Sample 0.251 7pa Tiny Sample
8 Richie Palacios 0.337 279pa 0.279 64pa 0.376 43pa ★ 0.133 45pa ▼ 0.126 14pa Tiny Sample
9 Taylor Walls 0.311 324pa ★ 0.182 57pa 0.146 60pa ▼ 0.196 42pa 0.246 15pa Tiny Sample
Values shown are hitter wOBA vs pitch family · ★ = hitter's best family · ▼ = hitter's weakest
Cleveland Guardians Hitters vs Pitch Families (opp. starter: Nick Martinez )
📖 Reading this table: green wOBA = hits this pitch hard · red wOBA = struggles vs this pitch · ★ = hitter's best pitch type · ▼ = weakest pitch type · PA = at-bats vs that pitch (higher = more reliable data)
↔ Swipe sideways to see all pitch families
# Hitter Fastball Slider/Sweep Changeup Curve/Slurve Splitter
1 Steven Kwan 0.359 477pa 0.261 130pa 0.261 68pa ▼ 0.382 34pa ★ 0.209 21pa Tiny Sample
2 José Ramírez 0.335 304pa 0.277 122pa 0.240 116pa ▼ 0.407 49pa ★ 0.290 32pa
3 Chase DeLauter 0.410 370pa ★ 0.401 115pa 0.206 73pa ▼ 0.290 54pa 0.241 29pa
4 Jo Adell 0.310 430pa 0.263 173pa ▼ 0.309 79pa 0.522 46pa ★ 0.168 19pa Tiny Sample
5 Nathaniel Lowe 0.336 347pa 0.369 58pa ★ 0.266 54pa ▼ 0.283 38pa 0.303 16pa Tiny Sample
5 David Fry 0.335 162pa ★ 0.223 38pa ▼ 0.257 28pa 0.204 18pa Tiny Sample 0.230 3pa Tiny Sample
6 Travis Bazzana 0.350 348pa ★ 0.259 120pa ▼ 0.319 57pa 0.353 31pa 0.210 20pa Tiny Sample
7 Patrick Bailey 0.289 219pa 0.310 63pa ★ 0.189 68pa ▼ 0.296 47pa 0.135 13pa Tiny Sample
8 Angel Martínez 0.349 256pa 0.343 75pa 0.253 84pa 0.521 31pa ★ 0.182 33pa ▼
8 Petey Halpin 0.322 138pa ★ 0.177 42pa 0.139 35pa ▼ 0.473 17pa Tiny Sample 0.339 6pa Tiny Sample
9 Brayan Rocchio 0.341 388pa ★ 0.302 94pa 0.252 123pa 0.247 41pa ▼ 0.108 23pa Tiny Sample
Values shown are hitter wOBA vs pitch family · ★ = hitter's best family · ▼ = hitter's weakest
Bullpen Behind the Starters

Season relief quality, recent results, and pregame workload. This is a Bullpen Lean, not a calibrated model edge.

Home bullpen slight advantage. Season, recent, and freshness components receive one transparent comparison vote each.
Tampa Bay Rays bullpen
Season: Average · rank 12 · 3.72 ERA · 4.31 FIP · 1.16 WHIP
Last 7 days: 0.0 IP · — ERA · 0 runs
Workload: 0 pitches / 0.0 IP last 3 days · 0 used yesterday · 0 back-to-back · Fresh
Availability: legacy partial · source stale through 2026-09-30 13:15:17
Bryan Baker · closer · 0 pitches yesterday / 0 last 3 · fresh
Tyler Wells · closer · 0 pitches yesterday / 0 last 3 · fresh
Kevin Kelly · closer · 0 pitches yesterday / 0 last 3 · fresh
Cole Sulser · closer · 0 pitches yesterday / 0 last 3 · fresh
Garrett Cleavinger · setup · 0 pitches yesterday / 0 last 3 · fresh · inactive
Expected Arms
#1 Bryan Baker · RHP · primary expected arm · fresh
closer role · 41 saves · 2 holds
Platoon: selected lineup 0.725 OPS vs RHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Changeup, Slider/Sweeper · lineup coverage partial
Direct lineup BvP: 23 PA · 3 K / 2 BB / 1 HR · tiny sample
#2 Tyler Wells · RHP · primary expected arm · fresh
closer role · 6 saves · 15 holds
Platoon: selected lineup 0.725 OPS vs RHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Changeup, Slider/Sweeper · lineup coverage partial
Direct lineup BvP: 22 PA · 6 K / 1 BB / 1 HR · tiny sample
#3 Kevin Kelly · RHP · likely available option · fresh
closer role · 4 saves · 33 holds
Platoon: selected lineup 0.725 OPS vs RHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Changeup, Slider/Sweeper · lineup coverage partial
Direct lineup BvP: 12 PA · 1 K / 1 BB / 1 HR · tiny sample
#4 Cole Sulser · RHP · likely available option · fresh
closer role · 3 saves · 12 holds
Platoon: selected lineup 0.725 OPS vs RHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Changeup, Slider/Sweeper · lineup coverage partial
Direct lineup BvP: 19 PA · 3 K / 2 BB / 0 HR · tiny sample
#5 Cam Booser · LHP · likely available option · fresh
setup role · 13 holds · fresh by recent workload
Platoon: selected lineup 0.685 OPS vs LHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Slider/Sweeper, Changeup · lineup coverage partial
Direct lineup BvP: 11 PA · 3 K / 3 BB / 1 HR · tiny sample
Cleveland Guardians bullpen
Season: Good · rank 3 · 3.25 ERA · 3.66 FIP · 1.20 WHIP
Last 7 days: 0.0 IP · — ERA · 0 runs
Workload: 0 pitches / 0.0 IP last 3 days · 0 used yesterday · 0 back-to-back · Fresh
Availability: legacy partial · source stale through 2026-09-30 13:15:17
Cade Smith · closer · 0 pitches yesterday / 0 last 3 · fresh
Hunter Gaddis · setup · 0 pitches yesterday / 0 last 3 · fresh
Erik Sabrowski · setup · 0 pitches yesterday / 0 last 3 · fresh
Colin Holderman · setup · 0 pitches yesterday / 0 last 3 · fresh · inactive
Matt Festa · setup · 0 pitches yesterday / 0 last 3 · fresh
Expected Arms
#1 Cade Smith · RHP · primary expected arm · fresh
closer role · 41 saves · 1 holds
Platoon: selected lineup 0.771 OPS vs RHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Splitter/Forkball, Slider/Sweeper · lineup coverage partial
Direct lineup BvP: 21 PA · 8 K / 0 BB / 0 HR · tiny sample
#2 Erik Sabrowski · LHP · primary expected arm · fresh
setup role · 1 saves · 28 holds
Platoon: selected lineup 0.674 OPS vs LHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Slider/Sweeper, Curve/Slurve · lineup coverage partial
Direct lineup BvP: 11 PA · 5 K / 3 BB / 0 HR · tiny sample
#3 Hunter Gaddis · RHP · likely available option · fresh
setup role · 1 saves · 32 holds
Platoon: selected lineup 0.771 OPS vs RHP · 11/11 hitters · reliable sample
Pitch mix: Slider/Sweeper, Fastball, Changeup · lineup coverage partial
Direct lineup BvP: 20 PA · 2 K / 0 BB / 2 HR · tiny sample
#4 Tim Herrin · LHP · likely available option · fresh
setup role · 16 holds · fresh by recent workload
Platoon: selected lineup 0.674 OPS vs LHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Curve/Slurve, Slider/Sweeper · lineup coverage partial
Direct lineup BvP: 15 PA · 2 K / 3 BB / 1 HR · tiny sample
#5 Matt Festa · RHP · likely available option · fresh
setup role · 1 saves · 7 holds
Platoon: selected lineup 0.771 OPS vs RHP · 11/11 hitters · reliable sample
Pitch mix: Fastball, Slider/Sweeper · lineup coverage partial
Direct lineup BvP: 14 PA · 3 K / 0 BB / 0 HR · tiny sample
Top Tampa Bay Rays Advantages

Hottest bats in the lineup over the last two weeks.

No recent form data available.

Top Cleveland Guardians Advantages

Hottest bats in the lineup over the last two weeks.

No recent form data available.

Pitcher Notes

Quick green flags or red flags based on each starter's season numbers.

Nick Martinez (Tampa Bay Rays)
  • Sharp control (1.3 BB/9)
Shawn Armstrong (Cleveland Guardians)
  • Control concerns (4.3 BB/9)
⚠ Data Notes
  • Recent form data missing for many hitters (0/23)
  • Pitcher pitch-family data unavailable (warehouse ETL gap)
  • One starter has a tiny MLB sample; pitcher edge reduced.
  • Game Edge V1 confidence capped by degraded core participant inputs.
Pitcher quality scores use ERA, WHIP, K/9, BB/9, and HR/9 relative to 2026 MLB averages. Lineup scores use recent OPS (last 14 days) weighted by batting order. Confidence reflects available data — not a betting recommendation.