That's L.A. as in LARRY ANDERSEN, former Phillies pitcher and current Phillies broadcaster. He's the color guy, and he is certainly colorful. He speaks his mind, tells entertaining stories, and isn't shy about saying when a particular player (or the team as a whole) is not playing well.
And, then, he comes up with lines like this (said after a Jimmy Rollins hit in his first game back from the DL): " Forget Kotter. Welcome back, Jimmy Rollins!"
Yes, I love L.A.