Houston's Maxwell leaves game with concussion
Houston right fielder Justin Maxwell has left the game against St. Louis because of a concussion on Tuesday night.
Maxwell was injured when he banged his head on the grass while diving for a fly ball in the fourth inning.
He remained face down on the field for a couple of minutes while trainers attended to him. He soon got up and rubbed his face and head a few times before slowly walking off the field.
He was replaced by J.D. Martinez.
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