Lawlar entered Wednesday's game as a pinch runner with two outs in the ninth inning and made the final out attempting to steal second base in a 4-3 loss to the Marlins.
The Diamondbacks were trying to get the tying run to second base with Ketel Marte at the plate, but Miami catcher Joe Mack's throw beat Lawlar. It was the first time in six attempted steals that Lawlar had been caught.