Harvin was on the field for Seattle's practice on Wednesday, his first since suffering a concussion in the second quarter of the NFC divisional playoff game against New Orleans on Jan. 11. Harvin was not cleared last week and was unable to play in the NFC championship game against San Francisco.
Harvin's had an injury filled season, playing in just two of 18 games. He had hip surgery in early August and made his debut in Week 11 against Minnesota. Harvin suffered complications after that one game and was unable to make it back until the postseason. He had three receptions and one carry for 9 yards before being injured against the Saints.
The Seahawks are preparing this week as if they will play Sunday. Offensive coordinator Darrell Bevell said Wednesday that they installed plays into the offense during practice Wednesday and will add more Thursday and Friday before they travel to New Jersey on Sunday.
"We will have the bulk of the game plan done by the time we leave," Bevell said. "There will still be some things we fix, some things we look at and say, 'Let's change that up,' maybe add a play or two. But for the most part, the bulk of the game plan will be done."
Wilson said installing the game plan early should eliminate potential distractions affecting them once they reach the East Coast.
"Once we get to New York, there are going to be a lot of possible distractions," Wilson said. "You want to focus on just playing the football game so once we get there, we will already have one week of installation and we can go over it again next week."
A winter storm slammed almost a foot and a half Tuesday in parts of New Jersey. AccuWeather lists a 30 percent chance of snow when Super Bowl XLVIII is scheduled to kick off on Feb. 2.
Although NFL officials underwent a "dress rehearsal" Wednesday, shoveling snow out of MetLife Stadium while pretending they had less than a day to prepare for the game, Seahawks quarterback Russell Wilson said snow could make the game exciting.
"I have tons of family on the East Coast and they are all letting me know that there is 12 inches of snow right now," Wilson said. "It's hopefully going to pass over, but if not, we are going to play in it. It's always fun to play in the snow."
He said he's played in one previous snow game. That was when he was at the University of Wisconsin.
Eric Grubman, an executive vice president with the NFL, said Wednesday that they could change the date of the Super Bowl from next Sunday to anytime between next Friday and next Monday.
Breaking Omaha code
Broncos quarterback Peyton Manning offered a humorous answer when asked last week what "Omaha" meant when he shouted it during his pre-snap reads.
"Omaha is a run play, but it could be a pass play or a play-action pass, depending on a couple of things — the wind, which way we're going, the quarter, and the jerseys we're wearing. It really varies, really, from play-to-play."
Seahawks cornerback Richard Sherman said Wednesday that he's starting to believe the Omaha code doesn't exist.
"I feel like there is no Omaha code," Sherman said. "I feel like he is just throwing it out there.
"I don't know if we'll ever be able to break the Omaha code because we don't get soundbites in the film. If we did, I'd try my best, I'd tell you that."
Manning's foundation for at-risk youth received $24,800 in donations for the 31 times he shouted "Omaha" in Sunday's AFC Championship Game. Eight Omaha companies combined to donate $800 to Manning's Peyback Foundation for every time he gave the city a shout out in his pre-snap play-calling. He said it 44 times in Denver's playoff game against the Chargers.
The Broncos will wear orange jerseys in the Super Bowl while the Seahawks will wear white jerseys with blue pants.
Seattle is 2-0 this this season wearing the white over blue combo, beating the Falcons 33-10 in Atlanta in Week 10 and the New York Giants 23-0 in Week 15 at MetLife Stadium, the site of the Super Bowl.
Receiver Doug Baldwin (hip), running back Marshawn Lynch (knee) and defensive tackle Brandon Mebane (ankle) did not practice Wednesday.
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