Watch: Roger Federer, Dog Whisperer

Roger Federer is Grand Slam king and the leader of a puppy pack.The cuteness level is off the charts as Federer plays with puppies in this new ad for Wilson.Errani: Contaminated Food Caused Failed Drug TestFederer's long-time racquet sponsor surprised the eight-time Wimbledon champion setting up a play date with pooches.Watch the world No. 3 put the puppies through their paces."I love dogs, I do," says Federer, who grew up with a cat in his family home. "I just haven't spent enough time with them."One day, we'll probably have a dog."It looks like Federer is expanding his substantial fan base with his new furry friends.Photo credit: Wilson ]]>

Chris Oddo is a freelance sportswriter, podcaster, blogger and social media marker who is a lead contributor to Tennisnow.com. He also writes for USOpen.org, Rolandgarros.com, BNPParibasOpen.com, TennisTV.com, WTAtennis.com and the official US Open program.