"Oh my goodness, I mean, we had a ton of momentum...then the power goes out for what felt like an hour, " Ravens tight end Dennis Pitta said.

WSJ: Super Bowl XLVII: Baltimore Ravens Have Just Enough Power to Beat San Francisco 49ers

And, in the end, the Baltimore Ravens turned back a late-game surge by the San Francisco 49ers to win Super Bowl XLVII.

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Griffin sprained his knee last month when he was hit by Baltimore Ravens defensive tackle Haloti Ngata at the end of a 13-yard scramble.

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