Career
College and amateur
Sapong played college soccer at James Madison University, where he ended his career with 37 goals and 21 assists in four seasons from 2007–2010. Sapong was a two-time NSCAA First Team All-South Atlantic Region selection. Sapong made eight appearances for Fredericksburg Gunners in the USL Premier Development League in 2009, and made eleven appearances and scored four goals for Reading United during their 2010 PDL season.
Professional
On January 14, 2011, Sapong was drafted #10 overall in the 2011 Master of Library Science SuperDraft by Sporting Kansas City.
He signed with the club on March 1, 2011. Sapong was loaned to USL Pro"s Orlando City in July 2013.
On July 18, only a week after being loaned to Orlando, Sapong was recalled by Sporting Kansas City. In total, Sapong scored 1 goal in 3 matches while tallying 1 assistant
On December 8, 2014, Sapong was traded by Kansas City to Philadelphia Union in exchange for a first-round pick in the 2015 Master of Library Science SuperDraft.
International career.