Yarber was selected by the Washington Redskins as a 12th-round pick in the 1986 NFL Draft and spent three seasons as a wide receiver and punt returner. He was part of the Washington squad that defeated the Denver Broncos to win Super Bowl XXII in 1988, leading that team with 37 punt returns.
At Idaho, Yarber was a Kodak All-American and the Big Sky Conference's Most Valuable Player during his senior year, catching 75 passes for 1,103 yards. As a junior, he finished 10th in the nation in punt returns and third in the conference with 817 receiving yards on 54 catches. He attended Crenshaw High School in Los Angeles.
Yarber began his coaching career at Idaho in 1996 as a secondary coach under second-year head coach Chris Tormey. The next year, he became the receivers coach at UNLV. In 1998, head coach Dennis Erickson made Yarber the offensive quality control coach of the Seattle Seahawks. Yarber coached under Erickson from 1998-2004 and from 2007-2009 in some capacity. From 1999-2002, he was on the staff at Oregon State. In 1999, he was he running backs coach, the next year; he became the wide receivers coach. He coached Chad Johnson and T.J. Houshmandzadeh during their time with the Beavers. He followed Erickson to the pros and he served as the San Francisco 49ers receivers coach in 2003 and 2004. Following Erickson's dismissal, Yarber served as the receivers coach for the Washington Huskies for two seasons under head coach Tyrone Willingham. In 2007, Yarber became the receivers coach for the Arizona State under Erickson and served in that position until the end of the 2009 season. In 2010, Yarber moved back to the NFL for two seasons with as the wide receivers coach for the Tampa Bay Buccaneers.
On January 2, 2012, following a 4-12 record in the 2011 season, Raheem Morris and his entire coaching staff were fired. On January 9, 2012, Yarber was named the wide receivers coach for UCLA under new head coach Jim Mora.
He received his bachelor's degree from the University of Idaho in 1995. He was married in June 2005 to his wife, Michele. He and his wife have two sons, Robert and Kameryon.