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THE ONE Analytics
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Boston Red Sox at Cleveland Guardians

BOS

BOS

BOS

23-33

PregameSat, 4:10 PM EDT
CLE

CLE

CLE

34-25

ATS/CLE -1.5O/U/6.5ML/CLE-132

Verdict

Pass · no edge tonight.

The model doesn't see daylight against the posted line on this game. We don't surface negative-EV picks; check the drill-down for sub-model context.

Why this matchup

1 signal · model + market
📈

Recent form

4-6

BOS +0.2 vs CLE -0.5 margin

BOS brings the hotter last-ten margin into this matchup tonight with balance.

Progressive Field · Cleveland, Ohio

Line movement

200 snapshots

CLE spread

-1.5

open PK · -1.5

Total

O/U 7.0

open O/U 7.0

CLE no-vig %

54.3%

open 56.3% · -2.0

+0.5-2.0CLE SPREADO/U 7.5O/U 6.5TOTAL60.3%50.2%CLE NO-VIG %May 29, 4 PMMay 30, 12 AM

Stepped lines reflect captured market snapshots from odds_snapshots. Spread sign convention: negative = CLE favored. Live mode caps the in-game branch to the last 60 minutes.

⤓

Drill down

Sub-model tables · ensemble breakdown · last meeting · book shop · player props

›

Pregame · scouting report

The matchup, end-to-end.

Probable starters, projected lineups, head-to-head this season, our model edge against the market — every angle on one surface.

Away starter

Sonny Gray

Sonny Gray

SP · #54

5-1

W-L

3.27

ERA

1.20

WHIP

34

K

44.0

IP

Last 3 starts

vsMIN-4.0 IP3 ER4 K
@KCW(5-1)6.0 IP1 ER9 K
vsPHIW(4-1)6.0 IP1 ER6 K

Home starter

Parker Messick

Parker Messick

SP · #77

6-1

W-L

2.24

ERA

1.04

WHIP

70

K

64.1

IP

Last 3 starts

@PHIW(6-1)5.2 IP0 ER6 K
@DET-5.0 IP2 ER6 K
vsLAAW(5-1)6.2 IP2 ER7 K

Vegas line

Spread-1.5
TotalO/U 6.5
Money+109 / -132

Model edge

Win prob35% / 65%
LeanHome · 15pp
Confidence★ Lock

Head to head

SeriesCLE leads series 1-0
TypeCurrent Series

Place a bet

Take CLE on the model side.

Our model leans this way; both DraftKings and FanDuel are open below.

Model side · moneyline

-132Bet CLE ML↗-132Bet CLE ML↗

Other markets

-1.5Bet the run line↗-1.5Bet the run line↗
O/U 6.5Bet the total↗O/U 6.5Bet the total↗

21+ in most states. Lines refreshed at the moment of fetch. We may earn a referral fee on book signups — your odds and terms are unchanged.

Scouting report · pre-game

CLE vs BOS.

CLE is 7-3 recently; BOS is 4-6.

65.4%

model · CLE win prob

Recent form

  • CLE7–3-0.5
  • BOS4–6+0.2

Situational

  • CLE1d restB2B
  • BOS1d restB2B
  • +0.0d differential

Rest is even. CLE has 0 straight road games; BOS has 1.

Model angle

+9.0ppon CLE

CLE's edge is mostly model confidence plus recent form. Line steam is the main caution flag. Weather and park remove about 0.1 runs from the total environment.

  • ▼Weather + park-0.1pp
  • ▲Model confidence+1.5pp
  • ▼Line steam-0.8pp

Players to watch

  • Jarren DuranBOS
    2.5total bases · ±2.9

    Jarren Duran · 2.5 TB · last-10 3.1 vs season 1.6.

  • Willson ContrerasBOS
    2.4total bases · ±1.5

    Willson Contreras · 2.4 TB · last-10 2.7 vs season 1.8.

  • Travis BazzanaCLE
    2.1total bases · ±2.0

    Travis Bazzana · 2.1 TB · last-10 2.4 vs season 1.6.

Head-to-head · 1-0 · last 1

CLE is 1-0 in the recent head-to-head sample.

  • 2026-05-29BOS @ CLE3–4

Line move

open -143→-132toward BOS

The market has moved 2pp toward the away side.

Aggregated from r107 anatomy · r109 CLV history · r112 calibration · r118 line moves · r124 player projections · refreshes every 5 minutes

Player projections

CLE vs BOS.

Per-player stat projections built from a recency-weighted blend of the last ten games, season average, and matchup context. Confidence reflects sample size and stability — the top of each list is who to watch.

125

projections · 76 high confidence

Strikeouts

  • Gavin WilliamsCLE
    7.2± 3.6low
  • Payton TolleBOS
    6.6± 4.0low
  • Parker MessickCLE
    6.4± 2.1low

Hits

  • Willson ContrerasBOS
    1.4± 0.7high
  • Jarren DuranBOS
    1.2± 1.2high
  • Travis BazzanaCLE
    1.2± 0.9high

Total bases

  • Jarren DuranBOS
    2.5± 2.9high
  • Willson ContrerasBOS
    2.4± 1.5high
  • Travis BazzanaCLE
    2.1± 2.0high

RBIs

  • Jarren DuranBOS
    0.8± 0.9high
  • Willson ContrerasBOS
    0.7± 1.1high
  • Jose RamirezCLE
    0.7± 1.0high

Earned runs

  • Brayan BelloBOS
    3.5± 3.6low
  • Slade CecconiCLE
    2.8± 2.8low
  • Tanner BibeeCLE
    2.7± 3.7low

Projections recompute every 30 minutes · prop lines plug in once sportsbook ingest lands

The One model★ Lock
Sat, May 30
BOS

BOS

Red Sox

23-40

vs65.4%CLE

CLE★

Guardians

39-30

CLE
BOS 34.6%win prob65.4% CLE
CLE 1542 · BOS 1471Box score→

↳ Data via ESPN · MLB Stats API · Baseball Savant

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21+

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© 2026 The One Analytics. All rights reserved. · [email protected]

Analytical research only · not gambling advice · bet responsibly

Line shopping · 1 book

Where to bet this game.

Same model, different prices. The same moneyline can vary 25¢ across books — taking the worst price wipes out a real edge instantly. Star marks the best-paying book per side.

+11.1pp

best edge · CLE · DraftKings

BOS

no live price

CLE

★ best
-132DraftKings

edge +11.1pp · implied 54.3%

BookBOSCLEBest edge
DraftKings+109-132★+11.1

Edges shown are model probability minus no-vig implied probability for that side at that book. Stars mark the highest-paying cell per side. Lines refresh every 60 seconds.

Model ensemble · how the prediction is built

3 sub-models, blended.

Each sub-model uses a different rating substrate. Bayesian model averaging weights them by rolling Brier score so the ensemble inherits each model's strengths. Disagreement flags games where the sub-models don't see eye-to-eye — lower confidence, wider band.

65.5%

ensemble · CLE favored

  • Elo Static

    63.3%

    P(CLE win)

    33%

    weight

  • Elo Pitching

    64.6%

    P(CLE win)

    33%

    weight

  • Bullpen Park

    62.3%

    P(CLE win)

    34%

    weight

Disagreement

0.94 pp

weighted σ across sub-models

Confidence

94% · high

maps from disagreement

Substrate count

3 / 3 active

ones with full inputs tonight

Weights recalibrated nightly on a 90-day rolling window with strict point-in-time correctness — no model gets credit for a game it hasn't seen. Headline % is Platt-scaled per league; sub-model rows show raw BMA inputs.

Historical comparables

Games like this · top 6 from 970 candidates

basis · elo_diff + win_prob + day_of_year + total_runs

  • May 29, 26sim 93
    23
    5(H)4
    EloWin probTime of yearTotal runs
  • May 13, 26sim 92
    260
    19(H)4
    EloWin probTime of yearTotal runs
  • May 27, 26sim 91
    202
    5(H)3
    EloWin probTime of yearTotal runs
  • Apr 22, 26sim 91
    182
    5(H)0
    EloWin probTime of yearTotal runs
  • May 3, 26sim 90
    261
    30(H)2
    EloWin probTime of yearTotal runs
  • May 20, 26sim 89
    142
    10(H)1
    EloWin probTime of yearTotal runs
MLB·Sat, May 30·5/30 - 4:10 PM EDT/SeriesCLE leads series 1-0/VegasCLE -132

Preview · MLB

Boston Red Sox visit Cleveland Guardians Saturday at 5/30 - 4:10 PM EDT. CLE is rolling — 9-3 in their last 12.

Vegas opened CLE as a 1.5-point favorite with the total at 6.5. CLE's moneyline implies a 57% break-even, BOS the inverse. CLE is on a back-to-back.

For bettors: the CLE side carries the favorite-tax, the dog gets the points and a plus-money payout. The 6.5 total reads defensive vs the league average.

ByTheOnemodel/auto-generated · live odds + scouting data/refreshes with the page

Updated 0s ago

MLB · Boston Red Sox at Cleveland Guardians · pregame

MLB · Box score

5/30 - 4:10 PM EDT
BOS23-33
@
CLE34-25
BOS23-33·CLE34-25
BOS

BOS

23-33

0
 Batting
PlayerH-ABABHRBIHRK
 Pitching
PlayerIPHRERBBKHR
CLE

CLE

34-25

0
 Batting
PlayerH-ABABHRBIHRK
 Pitching
PlayerIPHRERBBKHR

Current series

CLE leads series 1-0

May 29BOSBOS3@CLECLE4
May 30BOSBOS@CLECLEtoday
May 31BOSBOS@CLECLEupcoming

Season series

CLE leads series 1-0

May 29BOSBOS3@CLECLE4
May 30BOSBOS@CLECLEtoday
May 31BOSBOS@CLECLEupcoming
Sep 22CLECLE@BOSBOSupcoming
Sep 23CLECLE@BOSBOSupcoming
Sep 24CLECLE@BOSBOSupcoming

Vegas line center

DraftKings via ESPN · 21+

Spread

CLE -1.5

Total

6.5

Defensive · -2.0 vs avg

Moneyline

BOSBOS+10948%
CLECLE-13257%

↗4· 6.4h

Implied probabilities back-computed from American odds — break-even win % a moneyline bet needs to be +EV.

SpreadBet CLE -1.5↗SpreadBet CLE -1.5↗

Pitching matchup · today

ESPN · season stats
BOSBOSSP
S. Gray

S. Gray

#54 · 5-1

ERA

3.27

K

34

SV

—

Last 3 starts

5/24vsMINMIN4.0 IP · 3 ER · 4 K-
5/18@KCKC6.0 IP · 1 ER · 9 KW(5-1)
5/13vsPHIPHI6.0 IP · 1 ER · 6 KW(4-1)
VS
CLECLESP
P. Messick

P. Messick

#77 · 6-1

ERA

2.24

K

70

SV

—

Last 3 starts

5/24@PHIPHI5.2 IP · 0 ER · 6 KW(6-1)
5/19@DETDET5.0 IP · 2 ER · 6 K-
5/13vsLAALAA6.2 IP · 2 ER · 7 KW(5-1)

Scouting report

BOS @ CLE

5/30 - 4:10 PM EDT

Rest going in

BOSB2B

0 days

last game May 29

CLEB2B

0 days

last game May 29

Model edge vs market

Lean only
Spread

Market

CLE -1.5

Model

On the roadmap

Edge

—

Total

Market

6.5

Model

On the roadmap

Edge

—

Moneyline

Market

CLE -132

Model

On the roadmap

Edge

—

Model spread derived from 21-day power-rank delta · not a true point-spread model. Total + ML model wires roadmap. Bet responsibly · 21+

Tale of the tape

BOSmetricCLE

23-33

Record

34-25

#12

Conf rank

#3

-0.3

Pt diff

+0.2

L2

Streak

W2

4-6

Last 10

7-3

Bullpen used yesterday

BOS

7.0 bullpen IP · heavy

  • B. Bello7.0 IP63 P

L 4-3 · May 29

CLE

4.7 bullpen IP · heavy

  • C. Holderman1.1 IP20 P
  • T. Herrin0.2 IP11 P
  • S. Armstrong0.2 IP7 P
  • H. Gaddis1.0 IP15 P
  • C. Smith1.0 IP13 P

W 4-3 · May 29

Composite signals from ESPN standings + 21-day power rolling. NBA pace / ORtg / DRtg from ESPN core team-stats; NFL yards-per-game from nflverse aggregation. Park factors, weather, KenPom-class metrics still on the roadmap.

Team stats

BOS

Away

Stat

CLE

Home

210

Runs

240

450

Hits

434

28

Errors

21

688

TB

703

42

HR

56

170

BB

239

458

K

431

0

LOB

0

Betting line

CLE -1.5·O/U 6.5·BOS +109/CLE -132

DraftKings · via ESPN

Line movement · 200 snapshots

ESPN-tracked · 21+

Spread

1.5

+1.5 since open

Total

6.5

0.0 since open

Model heartbeat

Cross-sport · last 14 days

60%Last 7 · 63-42
62%Last 30 · 326-201
Receipts →

The receipts

Why we like CLE.

CLE's edge is mostly model confidence plus recent form. Line steam is the main caution flag.

+9.0

pp edge · CLE

-1.99

CLV pp · steam

4.9u · large
on CLE

65.4%

±5.0pp band

4.94u large — +8.5pp edge, quarter Kelly.

Edge

+11.1pp

+2.1pp post-cal

Kelly

19.8%

4.9% sized

Decimal

1.76

+8.5pp vs price

Contributor breakdown · sums to 9.0pp · CLE over BOS

  • ▲
    Model confidence90% conf

    CLE clears the model's lock threshold.

    +1.5pp
  • ▼
    Line steam72% conf

    The market moved 2pp away from CLE since open.

    -0.8pp
  • ▲
    Recent form70% conf

    CLE is 3-2 over its last 5; BOS is 1-4.

    +0.8pp
  • ▲
    Head to head48% conf

    CLE has taken 2 of the last 3 meetings.

    +0.2pp

Open price

-143

Close price

-132

Open no-vig

56.3%

Close no-vig

54.3%

Market faded the model hard