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ENIX -- After taking a line drive off the face mask, home plate umpire Dale Scott left Friday's game between the D-backs and the Nationals with a concussion.
The crew chief did not work Saturday and won't be part of the crew Sunday.
The ball that struck Scott came off the bat of Miguel Montero on a pitch from Stephen Strasburg with two outs in the bottom of the fourth inning on Friday. The veteran umpire slowly went to the ground for a few minutes while a D-backs trainer examined him.
Scott eventually walked off the field and third-base umpire CB Bucknor took over behind home plate after a nine-minute delay.
Strasburg was working on a no-hitter at the time of Scott's injury, but walked Montero when play resumed and gave up an RBI single to Chris Johnson, knotting the score at 1 before Gerardo Parra grounded out to end the inning.