Patrick Dempsey and George Clooney
Craig Sjodin/Everett Collection; Starzlife
Long before Grey's Anatomy
's McDreamy began melting hearts at Seattle Grace, George Clooney
had fans swooning over his bedside manner as Dr. Doug Ross on the long-running hit series ER
Could Clooney's return to County General for the medical drama's final season make for a scrub match between to the two TV docs?
"No, no, no," says Patrick Dempsey
, 43, who spoke to PEOPLE before competing in the Rolex 24 at Daytona auto race, where he announced that top fundraisers in 2009's Avon Walk for Breast Cancer will win a trip to meet him. "There’s no competition. He’s always handled himself in such a great way."
"I’ve heard a lot about how he behaved on the set and after the show," adds Dempsey of Clooney, 47, "and I think there are a lot of things to learn from him."
Reported by KRISTIN HARMEL