Leigh Diffey named as Cup lap-by-lap announcer for NBC Sports
STAMFORD, Conn. — NBC Sports named Leigh Diffey as the lap-by-lap announcer for its NASCAR Cup Series coverage through the end of the season.
Diffey will call the Coke Zero Sugar 400 this Saturday at Daytona International Speedway on NBC and Peacock. He will continue in that role for the rest of the season, all the way to the November 10 championship race at Phoenix Raceway.
Diffey going full-time in the NASCAR Cup Series booth marks a major shift. Although Diffey has called some Cup Series races for NBC Sports, that was on the basis of filling in for Rick Allen, who he is now replacing in the booth.
According to NBC Sports, Rick Allen will continue as the lap-by-lap announcer for the NASCAR Xfinity Series. He will call the races at Daytona, Darlington, Atlanta and Watkins Glen for NBC Sports. Then, he will take on the same role with The CW when they broadcast the final eight races of the season.
Meanwhile, Kevin Lee will call the final four NTT IndyCar Series races for NBC Sports.
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Jonathan Fjeld View All
Jonathan Fjeld is the co-owner of the The Racing Experts, LLC. He has been with TRE since 2010.
A Twin Valley, MN, native, Fjeld became a motorsports fan at just three years old (first race was the 2002 Pennsylvania 500). He worked as a contributor and writer for TRE from 2010-18. Since then, he has stepped up and covered 24 NASCAR race weekends and taken on a larger role with TRE. He became the co-owner and managing editor in 2023 and has guided the site to massive growth in that time.
Fjeld has covered a wide array of stories and moments over the years, including Kevin Harvick's final Cup Series season, the first NASCAR national series disqualification in over 50 years, Shane van Gisbergen's stunning win in Chicago and the first Cup Series race at Road America in 66 years – as well as up-and-coming drivers' stories and stories from inside the sport, like the tech it takes for Hendrick Motorsports to remain a top-tier team.
Currently, he resides in Albuquerque, N.M., where he works for KOB 4, an NBC station. He works as a digital producer and does on-air reports. He loves spending time with friends and family, playing and listening to music, exploring new places, being outdoors, reading books and writing among other activities. You can email him at fjeldjonathan@gmail.com