J. C. Mack

Youth and amateur

Mack began playing for his local club NCSL Eagles where he won two Ohio state championships in 2003 and 2004. In 2004 Mack was spotted by ex U.S. national team goalkeeper Juergen Sommer and left Ohio to play for Sommers' U-17 Indianapolis club Carmel United Cosmos. While playing under Sommer, Mack would win an Indiana state championship and forgo university to pursue professional football. He spent 2007 trialing abroad, garnering contract offers in Peru and Trinidad. In 2008 the Chicago Fire Premier would bring him back to Chicago into the under 20 side in the Super Y-League. Mack scored 11 goals in 16 games for Chicago, winning a USL Super 20 National Championship in 2008.

Tourcoing

In 2009, Mack moved to France and went on trial with CS Louhans-Cuiseaux 71 in the French Championnat National. The three-month training period at Louhans concluded with 5 preseason matches tallying 2 assists. Mack would be passed over but recommended to Roubaix club Tourcoing. Mack then joined Union sport Tourcoing Football Club in November 2009. On November 21, 2009, Mack made his debut for Tourcoing at the hour mark in a 2–1 loss to US Marquette FC in the 7th round of the Coupe de France. Playing with Tourcoing, the 21-year-old converted winger would appear 19 times in the 2009/2010 season netting 9 goals.

Charleston

In 2011, after impressing head coach Michael Anhaeuser during the 2011 Carolina Challenge Cup, Mack signed with Charleston Battery…

On 9 September 2018, Mack made his debut for the U.S. Virgin Islands national team during their 8–0 loss to Canada in the CONCACAF Nations League.

Scores and results list the United States Virgin Islands' goal tally first.