GIF: Big Papi conducts pseudo concussion test after hitting Alex Avila with backswing

Jeff Curry / USA TODAY Sports

After knocking Alex Avila down with an errant backswing, Boston Red Sox slugger David Ortiz took it upon himself to test the Detroit Tigers catcher for a possible concussion. 

[Courtesy NESN]

Unfortunately, Avila failed to pass the testing conducted by his real medical staff and was replaced by his backup, Bryan Holaday. 

Ortiz kinda feels bad - now. 

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GIF: Big Papi conducts pseudo concussion test after hitting Alex Avila with backswing
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