What's at stake

The game's winner decides the moneyline outcome, while multiple bets on totals and run-line margins resolve separately.

Over/under tickets at roughly 15.5–17.5 and run-lines from about -1.5 to -5.5 determine payouts based on total runs and the final margin of victory.

Who's in play

Washington Nationals and Arizona Diamondbacks shape the result through their starters, bullpens, managers, and everyday hitters.

Closers and late-inning relievers often swing tight run-line outcomes. Umpires' strike zone and base-running choices can also change scoring dynamics.

What drives it

Starting pitchers' effectiveness and how deep they go into the game are primary levers for totals and spread outcomes.

Park factors, wind, and temperature influence offense, while handedness matchups, lineup construction, and bullpen depth alter late-inning scoring risk.

What to watch

First-pitch and lineup announcements reveal the probable starters, platoon choices, and whether key hitters are in the lineup.

Monitor pitch counts, early bullpen pulls, weather updates, and any late scratches before first pitch; those signals shift expected totals and run-line probabilities.