BIRMINGHAM — Jimmie Johnson hopped on a scooter and navigated his way through an unfamiliar Alabama paddock. He stopped to lean against a stack of tires for a quick conversation with childhood hero Rick Mears, then went to work on his new career.

RICHMOND, Va. — Like many drivers in NASCAR’s top series, Chase Elliott had a hard time figuring out the best way to navigate the layout at Richmond Raceway when he first raced on the track.

DORTMUND, Germany — Pep Guardiola shared an emotional moment with goalscorer Phil Foden as Manchester City ended its run of failure in the Champions League quarterfinals Wednesday, beating Borussia Dortmund 2-1 for a 4-2 aggregate win.