"It's probably the last time we'll be competing here..."
Pam and Nelson Stewart have watched their son -- nicknamed "Smoke" -- grow into the NASCAR star we know today.
He stopped at the flag stand to grab the checkered flag and flew it out his car window as he savored his trip around the track and into victory lane.
Johnson started near the back after failing to get in a qualifying run because of inspection issues.
NASCAR is on the defensive after 13 drivers — including four former champions — didn't even get on the track for qualifying Friday after failing to pass inspection.
Joey Logano gets first career Daytona 500 win under caution, takes NASCAR season opener.