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Jeff Gordon

Tony Stewart out of bed, streams update from treadmill

Injured NASCAR star Tony Stewart is out of bed and walking again, entertaining fans while live-streaming from a treadmill Friday.

At the same time Stewart was offering details about his wreck and recovery, Stewart-Haas Racing announced the three-time champion's replacement for the Daytona 500: Brian Vickers will drive the No. 14 Chevrolet for the season opener while Stewart recovers from a fractured vertebra.

"We are doing much better," Stewart said via the Periscope application. "We're starting to get the pain under control and I just didn't want everybody thinking that while everybody was in Daytona today that I'm sitting on my (butt) here in...