Sellers spent his whole career in Europe, playing in Greece, France, Italy, Spain and Turkey: he appeared in three Euroleague seasons and in 1999 he was the FIBA Saporta Cup Finals Top Scorer.
[2] Sellers attended Wilson High School in Florence, where he initially played baseball, but after injuring his eye he dedicated himself more to basketball; a member of the varsity team since his sophomore year,[3] in his junior year he was considered among the best players of the team together with his brother,[2] and he was named Conference Tournament MVP.
[11] Sellers led the team in blocks (0.8 per game) and in field goal percentage with 53.8% of his shots converted.
[8] On March 14, 1991 he had 13 points and 10 rebounds against LSU, battling opposing All-American center Shaquille O'Neal during the 1991 NCAA tournament.
[4] Coach Calhoun increased Sellers' minutes to 30.8 in the 1990–91 season,[9] and the center led the team in field goal percentage with 55.4%.
[20] After the end of his senior season at UConn, Sellers was automatically eligible for the 1992 NBA draft, but he went undrafted.
After contacts with the New Haven Skyhawks of the United States Basketball League,[21] Sellers participated in training camp with the Washington Bullets in the summer of 1992.
[22][23] In August 1992 he was the first overall pick of the Continental Basketball Association (CBA) draft, selected by the Grand Rapids Hoops.
[24][25] Sellers stayed with the Bullets for the preseason training, but he was waived in late October, just before the start of the 1992–93 NBA season, together with Reggie Cross.
[2] At AEK he replaced Miloš Babić, joining the team during Week 9 of the 1992–93 Greek Basket League season.
[1] After the end of the 1993–94 season Sellers joined Spanish side Cáceres CB of the Liga ACB.
After the stint in Turkey Sellers went back to Spain and signed for Valencia Basket, at the time known as Pamesa Cerámica for sponsorship reasons, and replaced Nigerian player Ime Oduok.
[1] The 2002–03 season was the most successful at team level for Sellers: he won the LNB Pro A title, the Semaine des As, and his second consecutive French Cup.
In 2005 he played for Club Melilla Baloncesto in the second level of Spanish basketball, and he retired in 2006 after a season with Murcia.