The loss of right guard Chris Chester to a leg infection prompted the Ravens to make a roster move for the Carolina game and shore up their depth at center. They waived tackle Scott Kooistra and moved guard Bryan Mattison up from the practice squad.
Chester is the backup center to Matt Birk. His absence meant the entire offensive line would have had to be juggled if Birk got injured. But Mattison served multiple purposes that Kooistra could not.
"That was tough because Scott Kooistra, we really liked and had been doing a good job for us," coach John Harbaugh said. "But he's more of a tackle-, guard-type guy. Can't play center. With Chris Chester's injury, we have a need for a backup center. We have a couple other guys that can snap as well. Tony [Moll] can do it, and Marshal [Yanda] can do it. But now, you get into a situation where if Matt Birk gets hurt, you've got to shuffle the whole offensive line.
"So Bryan can play center. I think he can be an emergency guy for us. Plus he gives us a couple other things: He's our best wedge kickoff return guy -- has been for a while. That helped our kickoff return team, so that was a plus. Then if we got in a jam, he can actually play defense, too. So he gives us a nice utility option in there as a backup guy right now, and he's been playing well in practice at center."
Mattison, the son of defensive coordinator Greg Mattison, has been on the practice squad with the Ravens for two years. Sunday he played in his first NFL game.
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