SUBSCRIBE ► bit.ly/SubscribeSkyF1 They combine for 15 world titles in motorsport, and are arguably the greatest of all-time at their craft. And this week, Lewis Hamilton and Valentino Rossi - superstars of F1 and MotoGP - traded machinery for the ultimate racer job swap. Add the Sky Sports F1 TV channel to your Sky package by clicking here ► bit.ly/WatchSkyF1 MORE FROM SKY SPORTS F1: ►FACEBOOK: facebook.com/SkySportsF1 ►INSTAGRAM: instagram.com/SkySportsF1 ►TWITTER: twitter.com/SkySportsF1 MORE FROM SKY SPORTS ON YOUTUBE: ►SKY SPORTS FOOTBALL: bit.ly/SSFootballSub ►SKY SPORTS BOXING: bit.ly/SSBoxingSub ►SOCCER AM: bit.ly/SoccerAMSub