West went undrafted in the
2007 NBA draft but was quickly signed by the
Atlanta Hawks, a team he spent his first two seasons with. West spent the first half of the 2009–10 season playing in the
NBA Development League for the
Maine Red Claws, before re-joining the Hawks in January 2010. He remained with the Hawks for the rest of the season, and in 156 games for the team over three seasons, he averaged 0.8 points in 4.4 minutes per game. West was known as a hard worker and an intense defender. Atlanta Hawks Head Coach
Mike Woodson was quoted as saying "I've been around this league a long time and I don't think I've ever seen a guy play as hard as Mario plays. He pushes guys in practice to play hard and if you don't play hard he embarrasses you in terms of just knocking the hell out of you." Teammate
Acie Law said "You can ask anybody in this locker room, Mario's the hardest worker on the team. You have to be at practice to see him. His motor never stops." West re-joined the Maine Red Claws for the 2010–11 season, later signing with the
New Jersey Nets in March 2011. He appeared in six games for the Nets to complete the 2010–11 season, averaging 3.7 points, 1.8 rebounds, 1.7 assists and 1.2 steals in 19.3 minutes per game. In June 2011, West joined
Cocolos de San Pedro de Macorís of the
Liga Nacional de Baloncesto. His stint lasted until early August. On August 2, 2011, West signed with
Tezenis Verona of Italy for the 2011–12 season. In June 2012, West moved to the Philippines where he joined the
Meralco Bolts. In September 2012, he joined
Cañeros del Este and helped them win the league championship while garnering Finals MVP honors in early October. Later that month, he joined La Villa for a short stint. In January 2013, West signed with
Fuerza Regia of Mexico for the rest of the 2012–13 season. In June 2013, he re-joined the Meralco Bolts. He then returned to Fuerza Regia for the 2013–14 season. In March 2014, he moved to France and signed with
SO Maritime Boulogne. In May 2014, he returned the Meralco Bolts for a third stint. In October 2014, West signed with
La Unión of Argentina for the 2014–15 season. He sustained an injury in February 2015 and was ruled out for the rest of the season. He remained in Argentina for the 2015–16 season, signing with
Juventud Sionista. In May 2016, West returned to Georgia Tech in Atlanta when he was hired as the director of player personnel as part of head coach Josh Pastner's staff. ==NBA career statistics==