Well, this is surprising and seems kind of mean-spirited. According to Ken Rosenthal of Fox Sports, the Yankees have released Juan Rivera.
Today's game is not over yet and Rivera started at first base. I guess they wanted to give him one last hurrah? And I also assume this means the Yankees will be going with Lyle Overbay at first until Mark Teixeira returns.
And this from Dan Barbarisi of the Wall Street Journal:
So that makes sense, I guess.