Garcon’s availability for Sunday hinges on “pain tolerance”

Redskins receiver Pierre Garçon, who left Sunday’s win over the Saints while on pass to generate 436 receiving yards, has an injured foot.  And the question of whether he plays against the Rams will hinge on whether Garçon can handle the associated discomfort. That’s what coach Mike Shanahan said Thursday, after Garçon returned to practice…