His professional sports credentials included spending three seasons as the television voice of Major League Baseball's Kansas City Royals (1993–1995) followed by six seasons with the Colorado Rockies (1996–2001). In addition, Armstrong did play-by-play in the NFL with the Seattle Seahawks in 1992 and the Kansas City Chiefs in 2009, as well as in the NBA, when he was a fill-in announcer during the 1996 - 2001 seasons with the Denver Nuggets. Armstrong is a member of the National Sportscasters and Sportswriters Association.
Armstrong retired from broadcasting on November 28, 2022; the last event he called was an 87–55 victory by Kansas over Texas Southern in men's college basketball.[2]
Other work
In addition to his sports announcing work, Armstrong is also an author and speaker. His book, “Driving From Here to Wow: Looking at Life Through the Windshield” (2008), is an inspirational and humorous account of many of his life experiences – both personal and professional. Armstrong also frequently emcees for corporate and charitable events throughout the country, speaks at youth sports camps, does commercial voice work for documentaries and provides the voice for promotional videos developed for corporations and trade associations.