<div><p>St. Louis quarterback Marc Bulger will miss three to six weeks with a broken left leg, suffered in a grueling NFL loss to Arizona.</p><p>Bulger underwent MRI exams Monday on his groin and hamstring and on his swollen knee which revealed the break. He was also to be tested for possible concussion.</p><p>"Marc Bulger's pretty banged up," Rams coach Steve Spagnuolo said. "Marc's got a few things going on."</p><p>The possible concussion would be the result of a blow to the head Bulger took in the fourth quarter of the game.</p><p>Backup Kyle Boller will make his third start of the year next Sunday against Seattle.</p><p>Boller has played in three games, completing 57 percent of his passes with two touchdowns and three interceptions.</p><p>He finished a 36-17 loss to the Packers after Bulger injured his rotator cuff on a sack and started the next two games, a 35-0 loss to the 49ers and 38-10 loss to the Vikings.</p><p>Linebacker Chris Chamberlain and offensive tackle Jason Smith also will be tested for possible concussions on Tuesday, Spagnuolo said.</p><img src="http://admatch-syndication.mochila.com/images/ad.gif?aid=64126556&bid=informcom" /></div><div id="copyright"><div>

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