Chancey chose to play professional baseball instead of attending college.[2] He was selected by the Baltimore Orioles in the 6th round of the 1992 MLB Draft and was given a $108,000 signing bonus. He spent two years playing for the Gulf Coast Orioles in the Orioles organization. In 1992, he led Gulf Coast outfielders in errors. The next year, he was limited by a rib injury and had problems hitting curveballs.
On April 14, 1998, Chancey was re-signed by the Chargers.[9] On July 24, he was released during the training camp to make room for Natrone Means.
Chicago Bears
On July 26, 1998, he was signed by the Chicago Bears, where he appeared in all 16 games with one start (the season opener).[2] During the season, he rushed the ball 29 times for 122 yards and scored two touchdowns. He also caught 11 passes for 102 yards, while also fumbling twice. He also returned two kickoffs for 18 yards. On September 5, 1999, he was waived by the Bears.[9][10][11]
On February 15, 2000, he was signed to an offer sheet by the San Diego Chargers.[9][13] That season, he appeared in four games, starting three. He rushed the ball 42 times for 141 yards and two touchdowns. He also caught one pass for six yards. He also attempted his only pass as a professional. He was cut on February 28, 2001.[9][14]