Diffey nevertheless excelled as the network's IndyCar announcer as NBC added the Indianapolis 500 broadcast in 2019. He has called the past six Indy 500 races, including an iconic call of Josef ...

The Australian has previously filled in on Cup and Xfinity broadcasts and also used to host NBC's NASCAR America show. Since NBC picked up IndyCar's exclusive broadcast rights for the 2019 season ...

Last year, Rick Allen was demoted to the NASCAR Xfinity Series booth on NBC for the last eight weeks of the season. His contract wasn’t renewed. Instead, Leigh Diffey took over his duties at NBC ...

New NASCAR on NBC announcer Leigh Diffey is no stranger to NASCAR or ... Diffey nevertheless excelled as the network's IndyCar announcer as NBC added the Indianapolis 500 broadcast in 2019.