Sad news from the NASCAR world. Robert Lynn "Bobby" Waltrip, middle brother of NASCAR Hall of Fame driver and Fox Sports announcer Darrell Waltrip and NASCAR team owner and fellow Fox Sports announcer Michael Waltrip, died Sunday.

The Waltrip brothers were informed of their brother's death after the race at Auto Club Speedway.]Michael, the youngest of the three Waltrip brothers, confirmed his brother's passing on Twitter Sunday evening. Moments later, Darrell, the oldest Waltrip brother, also paid homage to brother Bobby.

Bobby Waltrip grew up in Owensboro, Ky., but had lived in the Concord, N.C. area the last 25 years. While he never followed his brothers into NASCAR as a race car driver--he did manage Darrell's team in the late 1980s and early 1990s. The Waltrip compound was located close to Charlotte Motor Speedway on Hudspeth Road, just across the road from the house/shop of the legendary Robert Gee.

Bobby became a major force in the world of go-kart racing, first as a successful kart racer himself and later as an announcer and promoter in the sport in both the World Karting Association (WKA) and the American Karting Association (AKRA). He was believed to be in his early 60s at the time of his death.

Our condolences to the Waltrip family. Bobby was a great guy to hang around with, as he shared his brothers' gift for gab. He also knew a lot about the sport. He will be missed.