

Nationals @ Red Sox
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Five runs before the sixth is enough room for this matchup. I do not need a nine-inning under. I want the Alvarez-Tolle piece, and I want the push sitting there at 5.
Andrew Alvarez has kept June starts contained
Alvarez is the less comfortable half, but the recent run prevention is good enough for an F5 under. He allowed two or fewer runs in each of his five June starts, with a 3.00 ERA over that stretch. That is not ace treatment. It is just enough to ask him to keep Boston from owning the board early.
Payton Tolle owns the cleaner starter number
Tolle brings the better listed season ERA at 2.78, and he recently held the Yankees scoreless over 7.0 innings. I am not asking him to carry the whole ticket for nine. I just need the first-five version, where his run prevention gives Boston the cleaner starter profile.
Five gives this bet the right cushion
F5 Under 5 is different from needing a dead game. A 3-2 first five is a push. With Washington profiled as a strong hitting club and Boston at home, I need that difference. The bet is not zero offense. It is no six-run mess before this gets to the sixth.
Alvarez’s length issue matters less in this market
Alvarez had not gone past 4.2 innings in any outing this season, and he had been working out of the bullpen through May. For a full-game total, that makes me a lot less interested. For the first five, the ask is narrower. I need his recent two-run-or-less form to hold long enough that Boston does not turn the first half into a problem by itself.
Washington can absolutely make this uncomfortable
The Nationals are why I am not trying to shave this to a lower number. Nasim Nuñez’s 32 steals put speed in the game, CJ Abrams was cited at .275/.358/.507 with 17 homers and 13 steals, and James Wood leading MLB in runs, walks, and strikeouts is exactly the kind of mixed profile that can stress an under. They do not need a perfect inning to threaten five. They just need one stretch of baserunners, and that is the sweat I am accepting.
Boston’s pitching edge matters more early
Boston is the stronger pitching side in this matchup, and the first-five market keeps the bet closer to that edge. Tolle is the cleaner listed starter, while Alvarez has at least shown he can keep starts inside two runs lately. Once this becomes less about the two named starters, I like it less. The first five is the part I trust more.
The main risk is one bad inning
This can lose fast if Alvarez’s June form does not carry over, or if Tolle comes off that seven-scoreless-inning Yankees outing without the same finish and without an extra day of rest. Washington has enough speed and walks in its profile to turn a small inning into a real problem, and Boston only needs one early rally to blow through five. That is the tradeoff. I am taking the cushion at 5, not pretending this is harmless.
Decision
I want the first five, not the full game. Alvarez has kept June starts contained, Tolle has the better ERA at 2.78, and the push at 5 matters with a Washington offense I respect. F5 Under 5, -105.