The 18-year-old Priso has made four MLS appearances for Toronto this season, including three starts. Nelson has made three appearances including two starts.
Both players were part of the 11-man taxi squad that helped the Canadian team prepare for World Cup qualifying matches against Aruba and Suriname on Saturday and Tuesday, respectively.
The 23-year-old Silva, as TFC s third keeper behind Alex Bono and Quentin Westberg, has yet to see first-team action.
TFC 2 started its season based out of Arizona but has now joined the MLS club in Orlando. The club was 1-1-3 prior to Wednesday s game against South Georgia Tormenta FC (2-6-0) at the Osceola Heritage Park in Orlando.
In a 1-on-1 sitdown with John Molinaro of TFC Republic, Toronto FC General Manager Ali Curtis touched on a number of topics, including the Jozy Altidore situation.
Brazilian fullback Auro plans to look for a nearby beach. Alejandro Pozuelo will be reunited with his pregnant wife in Spain. Jonathan Osorio, Richie Laryea and others are on international duty.