During high school and college he assisted Daily Racing Form columnist Don Grisham on an Oaklawn handicapping column in the Arkansas Gazette.
Moss then spent one semester in pharmacy school at the University of Arkansas before Gazette sports editor Orville Henry hired him to work for the paper full time.
He left the Star-Telegram in 1999 after he subbed as an ESPN analyst for that year's Preakness Stakes coverage and subsequently was offered a full-time job by the network.
[1] In August 2008, he joined the NFL Network, where for three years he was studio host for "Team Cam" and "Around the League" and now is primarily a remote reporter.
In addition to his horse racing analyst duties, Moss has handled reporter, host or play-by-play duties for a wide variety of other sports broadcasts on the NBC family of networks including college football, college basketball, golf, show jumping, two Super Bowls and multiple Olympic games (2012, 2014 and 2016, 2022).