Brad Keselowski had his confidence shaken at Daytona International Speedway more than once.
He was a good plate racer, but never could find his way to victory lane at NASCAR's most famous track.
That changed Saturday night with a dominating performance that gave Team Penske its 100th career Sprint Cup Series victory — a win that Roger Penske celebrated in victory lane by participating in the traditional champagne spray.
More important, it gave Keselowski his long-awaited first win at Daytona.
Keselowski led a race-high 115 laps then held off Kyle Busch on a two-lap shootout that sent the race into overtime for one additional lap. It gave him his fifth...