Injury Updates Week 6: Matt Cassel, Robert Griffin III, Christian Ponder

There are a few key fantasy contributors that have had a number of injury question marks surrounding their playing status leading up to Week 6 of the 2012 NFL season. Here’s a little bit about these players and what you should consider.

Robert Griffin III, QB, Washington Redskins vs. Minnesota Vikings
Knocked out of last week's game against Atlanta with a concussion, RGIII has passed all his tests this week and did practice this week. Minnesota is 14th against fantasy quarterbacks and second-best against fantasy running backs through five games. The Vikings have allowed all five opponents to throw for at least 200 yards and at least one touchdown and at least 31 attempts. If Griffin is active, he's active in your lineup. Even getting knocked out in the third quarter of last week's game, RGIII is still fantasy's third-best QB this season.

Matt Cassel (Brady Quinn), QB, Kansas City Chiefs  vs. Tampa Bay Buccaneers
Matt Cassel was knocked out of last week's game against Baltimore with a concussion and is out for this week's game against the Buccaneers. Brady Quinn entered last week and was 3-of-3 for 32 yards. Today will be his first start since 2009 and he is a 52.5-percent passer with a QB rating of 67.3 for his career. Yes, this is the bye weeks and you might be hurting. Yes, Tampa Bay is allowing the eighth-most fantasy points to QBs and are ranked 12th against fantasy RBs. Outside of two-QB leagues, look elsewhere.

Christian Ponder, QB, Minnesota Vikings vs. Washington Redskins
Christian Ponder (knee inflammation) has to be the favorite bye-week replacement quarterback this week. He has thrown for two touchdowns in three of his first five games season and for at least 245 yards in three of five games. His interceptions on back-to-back series against Tennessee last week were his first two picks of the year. Now Ponder gets a Redskins team today that is ranked 30th against fantasy quarterbacks. Washington has allowed multi-touchdown games in four of five games and 300-plus yard days in those same four games. The lone outlier is Josh Freeman's 299-yard, one-touchdown, one-interception game.

— Corby A. Yarbrough @Corby_Yarbrough on Twitter