Bob Costas sang Jay Z's '99 Problems' during Mariners game

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After seeing a fan's sign mocking Robinson Cano with a reference to Jay Z's '99 Problems' song on Wednesday, Bob Costas began talking quite knowledgeably about the song. He recited, with a few edits, the lyrics: "We'll see how smart you are when the canine's come ... but I got 99 problems but something ain't one."

He was incredulous that the song didn't ring "any bell at all" with his fellow broadcasters and then continued reciting the lines from the song.

The original (which obviously has a lot of profanity):