49ers DT Alfred Collins out for season with knee injury

49ers DT Alfred Collins out for season with knee injury  NBC Sports49ers’ Alfred Collins (knee) injured in practice, out for season  ESPNNFL news roundup: Brandon Graham retires again; 49ers DT Alfred Collins out for season with torn patellar tendon  NFL.com49ers lose another key contributor to a season-ending injury  Niners Nation49ers have 3 options to replace Alfred Collins after brutal injury  Niners Wire…
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