Pete Carroll concerned by frozen practice pitches

Seattle Seahawks head coach Pete Carroll has expressed his concern at the facilities available to his side ahead of Sunday's Super Bowl against the Denver Broncos.

Both the Seahawks and the Broncos will begin their preparations in New Jersey this week as they look to acclimatise to the freezing conditions ahead of what is being forecast as the coldest Super Bowl in history.

"We haven't had a chance to get over there yet, but we understand there's snow on the fields and they're frozen and we likely could be inside for most of the week," Carroll told reporters.

The Seahawks beat the San Francisco 49ers to reach the Super Bowl, while the Broncos overcame the New England Patriots in the AFC championship game.