GREEN BAY, Wis.—Seahawks receiver Jake Bobo was smiling and chatting with teammates in the visitor's locker room following Saturday night's preseason loss to the Packers, a welcome sight after a scary moment in the second quarter of the game.

Running up to field a short punt, Bobo slammed into the leg of teammate Tyler Hall , who was blocking on the play, leaving both players down on the ground with injuries. Bobo stayed down for several minutes while players and coaches kneeled on the field, then eventually was able to get up and walk to the locker room with what Seahawks coach Mike Macdonald said was a concussion.

"Jake has a concussion," Macdonald said. "That's what he has right now. He's in good spirits. We'll start that protocol and go from there, but considering what it looked

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