Michael Shank Racing driver Oz Negri is one of the Rolex 24 defending champions. He was on the team that won the race a year ago. But Negri’s involvement in the race this year may be threatened. He broke his leg on a mountain bike ride last month. He wasn’t able to participate in the official Roar Before the 24 practice at Daytona this weekend. But Negri is about to see a doctor and he’s planning on being in the event. Wait’ll you hear how it felt for Negri to watch the team practice without him. Here’s Oz…