Cubs reliever Pedro Strop allowed the tiebreaking run in the eighth inning of Sunday's 2-1 loss to the Nationals, falling to 1-4 on the season. Strop entered a 1-1 game and gave up a walk and two hits, including Ryan Zimmerman's RBI single. He struck out one in the 19-pitch inning.
Strop's ERA rose to 3.03.