Kammala wannan jumla: Shirye-shiryen gasar Major League Soccer ta 2012 ya fara ne kawai bayan ranar da aka fara gasar
Kofin MLS na shekara ta 2011. A ranar 21 ga Nuwamba, 2011, an yi musayar Ryan Smith zuwa Chivas Amurka don zagaye na 1 da na 3 na zagaye a cikin 2012 MLS Supplemental Draft. Daga baya a wannan ranar, duk kungiyoyin MLS sun buƙaci su gabatar da jerin 'yan wasa 11 da aka kare don 2011 MLS Expansion Draft da za a gudanar don sabuwar kungiyar Montreal Impact. Kulob din ya zaɓi ya kare Davy Arnaud, Matt Besler, Teal Bunbury, Aurélien Collin, Roger Espinoza, Kei Kamara, Chance Myers, Jimmy Nielsen, Júlio César, C. J. Sapong, da kuma Graham Zusi.