Alabi, a 7'1" center, was drafted by the Mavs with the 50th overall pick in the 2010 NBA Draft before his rights were traded to Toronto. The 25-year-old played two seasons for the Raptors in 2010/11 and 2011/12. Last season, Alabi played for the D-League's Idaho Stampede and Ikaros Chalkidas of the Greek League.
Koshwal, a 6'10" forward/center, spent time in the Las Vegas Summer League before spending time on several minor league teams. The native of Sudan jumped from DePaul after his junior year but went undrafted in 2010.
Philadelphia's training camp roster now stands at the maximum of 20 players.