Phil Rogers, Feeling Watery

I think Phil Rogers is trying to get some sort of point across, but I just can't put my finger on it:

Watching the great Greg Maddux pitch Thursday against the Cubs was like listening to rain bounce off a tin roof. It was pouring base hits. Maddux was on the mound without his raincoat. Somehow he stayed dry for four rapid-fire innings, walking between the raindrops.

Whatever it is, I have to pee.