He then worked at WRFC in Athens while attending the University of Georgia, followed by positions in Columbia, South Carolina, with WOLO-TV and then WVOC radio. Powell started his broadcasting career with an internship in the newsroom and sports office at WGST-AM while he was in high school. Prior to this, he accumulated extensive experience at the minor-league level, serving as play-by-play announcer for the Charlotte Knights (1990-91, 1995) and the Columbia Mets (1987-89, 1993-94). He began his Major League broadcasting career with the Minnesota Twins in a reserve role in 19.
In addition to his radio duties, he spent time as a member of the Brewers television team during the 19 seasons. Powell joined the Brewers in 1996 and was named the 1998 Wisconsin Sportscaster of the Year. In January of 2020, Powell was inducted into the Georgia Association of Broadcasters Hall of Fame. He spent the previous 13 seasons as a member of the Milwaukee Brewers broadcast team, teaming with another Hall of Famer, Bob Uecker, longer than any other broadcaster.
The 2021 season marks Powell's 28th as a Major League broadcaster and his 13th year in the Atlanta Braves radio booth.