SAN DIEGO — “Great” is on IR and looks like it may retire. There are no great NFL teams. Hasn’t been one for a while. Future dynasties are for discouraged archaeologists to uncover once they finish digging up Egypt. And, somewhere, Pete Rozelle is celebrating, raising a rusty nail, his favorite cocktail. I will not join in the toast. Watch it I will, but often wishing it were on radio, and the theater of my mind would at least think it looks good. Rozelle was and remains the Charlemagne of all sports commissioners. He was a marketing genius, a man of great vision, with rock stars and $$$ in hi…