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Nationals hitting coach Kevin Long was also thrown out in the bottom of the second for apparently arguing balls and strikes.
It appeared both Long and Sanchez were ejected for voicing their displeasure with the strike zone. However, Washington manager Dave Martinez clarified postgame that Sanchez wasn't officially tossed but that umpire Angel Hernandez instructed him to leave, according to Mark Zuckerman of MASNsports.com.
Martinez also wasn't happy with home plate umpire Will Little's strike zone prior to Sanchez's removal and Long's ejection.