Based on the provided odds, here's a potential same game parlay bet for the Washington Nationals vs. Arizona Diamondbacks game:
1. Arizona Diamondbacks to win (-1.5 runs) at 1.91 (FanDuel, BetOnline.ag, Fanatics, Caesars, DraftKings, BetMGM)
2. Over 8.5 total runs at 1.83 (FanDuel, BetOnline.ag, Fanatics, Caesars, DraftKings, BetMGM)
This parlay combines the Diamondbacks' favorable odds to win by more than 1.5 runs with the likelihood of a high-scoring game, given the teams' recent performances. The Diamondbacks have been proficient on offense, and the Nationals' bullpen has been a concern. With Merrill Kelly starting for the Diamondbacks, they have a reliable arm to take on the Nationals.
Parlay odds: approximately 3.42 (1.91 x 1.83)
Please note that same game parlay odds may vary depending on the sportsbook and the time of placement. It's essential to check the odds and markets before placing a bet.