MLB Preview · August 21, 2026
Washington Nationals at Miami Marlins: Prediction, Odds & Preview
WSH 49-49at MIA 52-46·loanDepot park·
DiamondIQ Model — Win Probability
WSH45.9%54.1%MIA
The model leans MIA (54.1%). DiamondIQ model v2: season records, home-field advantage, the starting-pitcher quality gap (PitchIQ), and a calibration adjustment fit and validated on four seasons of backtest — plus live game state once underway.
Forecast at First Pitch
☀️89°FClear
Wind 14 mph SSE · in from CF
Precip 23%
Injured List
WSH
Drew Millas (C)Injured 10-Day
Brad Lord (P)Injured 15-Day
Richard Lovelady (P)Injured 15-Day
DJ Herz (P)Injured 60-Day
Jake Irvin (P)Injured 60-Day
Josiah Gray (P)Injured 60-Day
MIA
Owen Caissie (RF)Injured 10-Day
Anthony Bender (P)Injured 15-Day
John King (P)Injured 15-Day
William Kempner (P)Injured 15-Day
Adam Mazur (P)Injured 60-Day
Andrew Nardi (P)Injured 60-Day
Follow it live in the Game Center
Live win probability, pitch-by-pitch, and the model updating in real time.