." >> john mcenroe: i'm just glad i can tell them apart now, you know. ( laughter ) it took a while. they really look a lot alike. >> pat mcenroe: that's why they call them "identical." >> john mcenroe: mike... mike has a mole... and thank you. >> stahl: we spoke to another pair of tennis brothers-- john mcenroe, who was the best in the world in both singles and doubles, and his younger brother patrick, captain of the u.s. davis cup team that the bryans have played on since 2003. >> patrick mcenroe: the good news for them is that there's a leftie and a righty. and the leftie, bob, is more of a big server, big hitter, and the righty is sort of better at strategy, better in the returns. and as my big bro knows, having a leftie and a righty combination in doubles is pretty much ideal. >> john mcenroe: their biggest thing is that they just know each... what each other's thinking, obviously. there's places on the court where people aren't sure who's going to take the ball, and they seem to just do that naturally. >> stahl: well, is it mental telepathy. i know a lot of the other players th

plays like john mcenroe and jimmy connors sort of shattered that image on the court a long time ago.e joining the fight club. cnn's jeanne moos shows us. >> reporter: there are tennis balls and there are tennis crawls. >> oh, my gosh! >> reporter: this tennis brawl a few weeks ago at the u.s. open captured from every angle set off a chain of events that finally resulted in this guy's arrest. >> talk all i want. paid my ticket. >> reporter: the fight started after a woman and her 75-year-old dad got mad at new yorker joey for apparently cursing and talking loudly during the match. they argued. he slapped him. >> oh! >> reporter: joey managed to restrain himself physically but not verbally. >> why don't you shut up. >> what anyone wants. i bet a lot of money on the game. >> reporter: this at a sporting event where the most commonly heard "f" word is usually fault. the argument escalated. then the dad went after joey. >> oh! >> reporter: the fight ended when security finally arrived. joey was escorted out. the crowd cheered. [ applause ] >> reporter: joey returned the favor with his fin