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Washington Nationals at Tampa Bay Rays, MLB forecast

FinalESPN Unlmtd, MLB.TV, Rays.TV, Nationals.TV

Away

Nationals

40-37

4–3

at

Home

Rays

42-31

WSH 46%TB 54%

You didn't pick this one.

Tropicana Field · ESPN Unlmtd, MLB.TV, Rays.TV, Nationals.TV

Win probability

Starts from the pregame forecast, then moves with the score and the time left after each inning. Above the line favors TB.

TB75%50%75%WSHStart12345678Final

Game center

From the ESPN box score.

Top performers

Nationals
  • Dylan CrewsBatting2-4, 1 HR, 1 RBI
  • Brad LordPitching3.0 IP, 0 ER, 5 K
Rays
  • Junior CamineroBatting3-3, 1 RBI
  • Ian SeymourPitching5.0 IP, 3 ER, 4 K

Scoring summary

  • 9Díaz reached on infield single to third, Walls scored.4–3
  • 9Crews homered to center (442 feet).4–2
  • 5Chaparro grounded out to catcher, Ruiz scored, Wood to third.3–2
  • 3Simpson singled to center, Caminero scored, Palacios to third.2–2
  • 2Nuñez doubled to left, Crews scored, Lile to third.2–1
  • 2Abrams homered to right center (378 feet).1–1
  • 1Caminero hit sacrifice fly to right, Díaz scored.0–1

The pick

Reconstructed from what was known before the game: the ratings at that point and the closing line.

Rays 54%

Toss-upMiss
WSH 46%TB 54%

Forecast Elo ratings alone

How often that comes true: MLB favorites the forecast gave 50–55% have won 52.7% of 2,871 graded games.

Market
TB 54%
ML WSH +108 / TB -130
Pre-line forecast
TB 55%
Elo + market-implied
Elo ratings
TB 58%
Ratings vs. market
+4.1 pts
TB: Elo 58.2%, market 54.0%
Fair odds
TB -118
WSH +118 · the forecast as odds, no margin
Pregame projection
WSH 3.8 – 4.2 TB
Margin from the forecast, posted total 8

How the number is built

Elo inputs in rating points (higher favors that team; 25–28 Elo is about a point of spread in football and basketball), then how the pieces combine.

FactorWSHTBWhy
Team rating14761508Elo entering the game; 1500 is league average
Home field—+18Worth 18 Elo in MLB
Starting pitchers−6+1WSH: Cade Cavalli: team allows 0.31 more runs than with its usual starter (≈9 weighted starts) · TB: Ian Seymour: team allows 0.05 fewer runs than with its usual starter (≈5 weighted starts)
Elo ratingsTB +57 EloTB 58.2%
Market-implied ratingsTB 54.4%Team strength as past closing lines priced it, same game context
Pre-line forecastTB 54.9%15% Elo, 85% market-implied (log-odds blend)
ForecastTB 54.0%Follows the market (vig removed): in testing, adding the ratings made it less accurate

Tale of the tape

This season coming into the game, regular season, each number with its league rank (the longer the bar, the higher). Home and road: the host's record at home against the visitor's on the road. Opponent Elo: how strong the teams each has played are, 1st the toughest.

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Washington Nationals and Tampa Bay Rays compared, with each team's league rank
WSHStatTB
1st of 305.4Runs scored4.416th of 30
28th of 305.2Runs allowed4.312th of 30
8th of 30+0.2Margin+0.19th of 30
5th of 306–4Last 105–510th of 30
4th of 3023–15Road vs home25–91st of 30
3rd of 301508Opponent Elo150113th of 30
27th of 301476Elo rating150811th of 30

Rating history

Each team's Elo over the last two seasons. Hover or drag to compare on any date.

NationalsRays
14001450150015501600league averageAprAugDecAprAug

Against the line

How each team has done against the closing spread and total, coming into this game.

This seasonWSHTB
Run line46–3043–29
Last 107–37–3
Favorite7–925–16
Underdog39–2118–13
Overs–unders47–25–433–35–4
Overs–unders, last 107–33–7

Against each game's closing line. Books set every line knowing these records: across 3,901 past games, the team with the better record against the spread so far that season covered 51.2%, short of the 52.4% a standard −110 bet needs, and over/under streaks held 48.0% of the time. They describe the past.

Head to head

WSH 1–9 TB in their last 10 meetings; the forecast called 6 of 10.