Oh that Delpo forehand
![842662538.0.jpg 842662538.0.jpg](https://substackcdn.com/image/fetch/w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com%2Fpublic%2Fimages%2F4692e6e2-da70-4bb3-a3fe-d3906773297f_1820x1213.jpeg)
Sometime late in the fourth set of Monday's grueling, mesmerizing, intoxicating and, yes, agonizing match between Dominic Thiem and Juan Martin del Potro, my wife walked in -- she had heard me screaming relentlessly for at least an hour -- and she asked me a question:
"Who are you rooting for, anyway?"
In a lifetime of watching sports, I have never not ha…