India, April 29 -- Called a classic, there's a reference to his US Open five-setter against Marcos Baghdatis early in Andre Agassi's biography. Agassi won and was flat out on his back in the locker room when he noticed Baghdatis extending his hand. "I reach out, take his hand and we remain this way, holding hands, as the TV flickers with scenes of our savage battle," is how it is described in "Open."

The handshake between Luis Enrique and Vincent Kompany was brief but conveyed a similar sense at the Parc des Princes after a Champions League night termed "wonderfully ridiculous" by the television commentator after Luis Diaz scored. Paris St-Germain (PSG) beat Bayern Munich 5-4 but Enrique was right when he said all three verdicts were pos...