Grand slams are cool. Four runs on one swing.
Extra-inning grand slams aren’t just cool. They are pretty darn rare.
There have been only two this season: the Cincinnati Reds' Todd Frazier did it on June 17 versus Detroit.
And the Orioles’ Chris Davis accomplished it Wednesday afternoon against the Oakland Athletics to give the Orioles a 7-3 win at O.co Coliseum.
Thanks to baseball-reference.com and baseball historian Bill Arnold, we discovered just how rare an extra-inning grand slam is in Orioles franchise history.
Davis’ was the seventh – for a modern-day franchise that goes back to 1954.
Matt Wieters has done it twice, in...