What happened: Dodgers third baseman Max Muncy and Diamondbacks first baseman Ildemaro Vargas collided violently at first base and stayed down for several minutes. Both players came out of the game, and Muncy was later described in the context feed as dealing with shortness of breath while being evaluated for a possible concussion.

Why it matters: The immediate concern is health, with two everyday lineup pieces leaving the same play in a division matchup. For Arizona, the exit interrupts the season of Ildemaro Vargas, who had already been a Wire.Report focus during his long hitting streak.

What to watch: Watch for postgame updates from both clubs on concussion testing, respiratory symptoms and any further medical imaging. Roster moves or lineup changes could follow if either player is unavailable for the next game.