Mike Bryan, now with more Grand Slam doubles titles than any man, can pick his partnership next year.
He can go back to twin brother Bob, who expects to return from a hip injury.
Or he can stick with Jack Sock, keeping together a perfect pairing in Grand Slam tournaments.
"I think Bob is maybe the front-runner if he gets healthy," Mike said.
Sock sure has given him something to think about, though.
The pair won its second straight Grand Slam doubles title together, beating Lukasz Kubot and Marcelo Melo 6-3, 6-1 on Friday at the U.S. Open.
That gave Mike Bryan his 18th Grand Slam doubles title, breaking a tie with John Newcombe, and...