Diffey, Bell, Hinchcliffe To Call Action May 28, Entire Season. Tirico made his debut as NBC Sports’ host of the Indianapolis 500 during its inaugural broadcast in 2019 and has served in the same role each year. Additional commentators contributing to NBC Sports’ Indy 500 coverage will be announced soon. Last year, NBC Sports’ coverage of the NTT INDYCAR SERIES delivered the most-watched INDYCAR SERIES season since 2016 and NBC Sports’ most-watched season on record, an increase of 5% compared to 2021. NBC Sports will honor the rich history of the Indianapolis 500 by counting down the Top 10 Indianapolis 500s of All Time, as voted on by an esteemed panel of former drivers, broadcasters and INDYCAR SERIES historians.

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