It's just a recording they play every year. It goes like this:

"This is our year, our new players are going to take us to the next level. Oh yeah we started off with a win, plan the parade. Oh 2 wins we can never loose. Oh a loss, pffft one loss is nothing, oh 2 losses are nothing we are still .500 ..... we only need to win the last 10 games to make the playoffs. What?!?!?!?! not in the playoffs again?!?!?!?"