Jack Sock snagged a doubles gold medal in Rio, but having missed three chances to earn his second ATP career title (he lost in the final of Auckland, Houston and Stockholm), the world No. 23 is going back to the basics for his offseason regimen.

Speaking to *Sports Illustrated*, the 24-year-old talked about his mindset now that the season is over and 2017 is looming.

"In the offseason, you can definitely get after it a little more,” he said. “You can have very intense workouts and not have to worry about a match coming up in a day or two or in the next week... [There’s] time now to set a really good foundation for the long season we have."

Sock has incorporated boxing into his routine, as well as focusing on exercises that work the hip, shoulders and forearms to improve his strength and speed.

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To become the top-ranked American on tour, he will have to push passed good friend and world No. 19 John Isner.

"Honestly, I’ve learned a lot from [Isner]," Sock said. "He’s been around for a long time now. Having an American like that, who’s currently playing, that you can draw information from, it really helps with the in's and out's of the ATP Tour, how to be a professional."

Sock is scheduled to make his 2017 start at the Australian Open.

Follow Niko on Twitter: @nikovercelletto