Author: Vladislav Musilek   

Mariners vs Phillies: How We Read the F5 Team Total (Under 1.5)

MLB · Match Analysis · Wildcard race

How we read it: Seattle F5 team total under 1.5

Philadelphia Phillies vs Seattle Mariners · Luzardo on the mound

26 August 2026, 22:10 CEST · Analysed by OPTIMUS II

The read MLB · First 5 · Team total
Seattle Mariners Team Total Under 1.5 (F5) @ 1.854
1.00Unit
1.854Odds
59.3%Model prob.
+9.9%Model EV

Note: this analysis is published for the archive after the game. It shows how our model read the matchup — it is not a live recommendation.

The matchup flipped

Seattle had scored 13 runs across the first two games of the series — but both came against right-handed starters. Today’s matchup changed completely: the Mariners faced elite Philadelphia left-hander Jesús Luzardo, and Seattle’s platoon split is the read.

.642
Seattle OPS vs left-handed pitching
.217 AVG · .300 OBP · against a .708 OPS vs right-handers
Under 1.5 — 59.3%
2+ runs — 40.7%
Win 59.3% — Seattle score 0–1 through five Loss 40.7% — two or more

The wrong left-hander to face

Luzardo’s 3.35 ERA understated even stronger underlying work — a 2.87 xERA, a .264 xwOBA and a 30.1% strikeout rate against a 7.3% walk rate. And he had been peaking.

1.65
Luzardo’s August ERA
2.56 since the All-Star break · 2.87 xERA · .264 xwOBA

The first-five team total isolates the strongest part of the matchup: it does not depend on Bryan Woo’s return from a shoulder issue, Philadelphia’s offense, or the late-game bullpens — only on Luzardo and the Phillies’ early run prevention holding Seattle to one or fewer. At 1.854 the market broke even near 53.9%; the model had it at 59.3% — fair odds of 1.69 and a +9.9% edge (about +2.0% on the conservative release).

Key statistics

  • Model: Seattle score 0–1 through five at 59.3% vs a 53.9% break-even; fair odds 1.69; EV +9.9% (conservative ~+2.0%).
  • Seattle vs left-handed pitching: .217/.300/.642 — against .708 OPS vs right-handers.
  • Luzardo (PHI): 3.35 ERA, 2.87 xERA, .264 xwOBA, 30.1% strikeout rate, 7.3% walk rate.
  • Luzardo form: 1.65 ERA in August, 2.56 since the All-Star break.
  • Seattle scored 13 across the first two games — but both came against right-handed starters.

Risks

What could go wrong

Cal Raleigh was in outstanding power form — six home runs over his last ten games, and homers in four consecutive at-bats during this series — while Randy Arozarena, Julio Rodríguez and Taylor Ward gave Seattle several dangerous right-handed bats against a left-handed starter. That threat is exactly what the conservative pricing rule reflected.

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