"This is a very good deal for us," Astros general manager Jeff Luhnow said. "Once again we are adding depth to our Minor League system with quality young players. We really feel this will help us moving forward and are extremely excited about the players we've added to our organization."
Wojciechowski and Musgrove were ranked by MLB.com as Toronto's 10th and 11th top prospects, respectively. Wojciechowski, 23, was the 41st pick in the 2010 First-Year Player Draft and put up a 7-3 record and 3.57 ERA in 18 starts for Class-A Dunedin this season. The 19-year-old Musgrove was picked 46th overall in the 2011 Draft and is 1-1 with a 3.51 ERA over two pro seasons.
Rollins, 22, was 10-1 with a 2.46 ERA in 25 starts over two professional season in the Blue Jays' system, and the 21-year-old Perez was batting .269 with five homers and 40 RBIs for Class A Lansing this year.