Well Taylor scores if he keeps running because the throw was cut off, they weren't even going to make a play on him. He turns around to find Taylor standing still, "oh, look what I found".
I have to watch it again. It looked like Taylor stopped because he knew he was a dead out if he kept going. The catcher looked to have had the ball well before he stopped. I didn't see the 2nd baseman or whoever cutting it off then Taylor stopping then throwing it to the catcher.
