Bradley briefly lay motionless in front of the mound but was later able to walk off the field. He was bleeding from the mouth and nose.
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MLB Scoreboard estimated the ball left Gonzalez’s bat at 115 mph.
Updates on Bradley’s condition were not immediately avaialble.
Andrew Chafin took over for the 22-year-old Bradley with one out in the top of the second inning.
Bradley was making his fourth major league start. He came into Tuesday’s game with a 1.45 ERA, an 0.96 WHIP and a 12:11 K:BB ratio in 18 2/3 innings.
UPDATE: The Diamondbacks provided some good news after the game:
Bradley, in fact, returned to Chase Field to celebrate the team’s 12-5 victory.
But first, he took selfie: