Mark McGwire Home Run 5th Deck Skydome Toronto Unreal Blast! Oakland A's

http://www.courtsidetweets.com Mark McGwire hits a ridiculous home run bomb into the unheard of fifth deck of the Skydome in Toronto! Big Mac claimed that he had no idea how far he hit it because of his vision, and teammate Scott Brosius as well as other stunned teammates explained that his blast went up into the fifth deck of the Skydome!