Vladimir Guerrero Jr. is going through testing under MLB's concussion protocol following last night's collision at third base against the Yankees.
John Schneider confirmed Guerrero experienced some head discomfort after the play.
"He had a bit of a headache," Schneider said.
That's a real, direct confirmation of symptoms following the collision, exactly the kind of detail that necessitates the formal evaluation process now underway.
Concussion protocol involves a structured series of tests overseen by medical staff, and players must clear each stage before being allowed to return to game action, a process designed specifically to protect against further injury.
Guerrero is hitting .259 with six home runs across 108 games this season, and any real absence would remove a central piece of Toronto's lineup during a stretch the club is trying to build real momentum in.
Toronto sits at 53-60, last in the American League East, in the middle of a difficult stretch against the Yankees and Rays, making full lineup availability matter as much as it has all season.
Why this timeline is genuinely out of anyone's hands
Concussion recovery timelines vary significantly from player to player, and teams are required to follow the protocol fully regardless of how a player says he feels in the moment.
A headache alone doesn't confirm a concussion outright, but it's exactly the kind of symptom that triggers this formal testing process as a precaution.
It's a bit like getting checked out after any real bump to the head, the process existing specifically because symptoms aren't always obvious right away.
Does a single symptom like a headache typically resolve quickly through this protocol, or does this kind of testing sometimes reveal something that keeps a player out longer than initially expected?
Toronto will continue to provide updates on Guerrero's status as he moves through the concussion protocol over the coming days.
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