Lux (undisclosed) was seen talking to a trainer in the dugout after grounding out in the sixth inning of Sunday's Game 1 of the NLCS before exiting the game in the top of the seventh, Jack Harris of the Los Angeles Times reports.
It's unclear why Lux was lifted from the contest, but his conversations with a trainer could indicate it's injury-related. Kevin Kiermaier replaced Lux in the lineup and stepped into center field while Enrique Hernandez shifted to second base. Lux went 0-for-1 with a walk and a run scored before leaving.