Ravens center Gino Gradkowski and reserve running back Anthony Allen have passed baseline neurological tests after suffering mild concussions against the Denver Broncos.
Both players have been practicing on a limited basis and are now cleared medically for Sunday's AFC championship game against the New England Patriots at Gillette Stadium.
"I feel a lot better," Allen said, adding that it wasn't his first concussion. "It wasn't that bad. It's just various tests you have to go through. It happened covering a kickoff. It's all good now."
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Meanwhile, rookie cornerback Asa Jackson strained his hamstring covering a kickoff against the Broncos and has been sidelined this week in practice.
"It's getting better every day," Jackson said. "I'm just trying to stay on top of it. It's all right. Hopefully, I'll be ready for Sunday."
Rookie backup running back Bernard Pierce said his sore right knee is improving and has predicted he'll definitely play Sunday.
"I'm all right," Pierce said.