Manager Paul Jewell said: "I know there were other Premiership clubs in the hunt too, so I'm delighted to have got him on board.
Latics loan Haestad
Manager Paul Jewell said: "I know there were other Premiership clubs in the hunt too, so I'm delighted to have got him on board.
"He can play anywhere across the middle, and at 23, he's at the right age to test himself in this league."
While Haestad himself added: "It's a dream to play in England and I'm grateful to Wigan for taking the chance on me."
The Doffer, as Haestad is known, will be eligable to play in the FA Cup third round tie with Portsmouth on the 6th January.
While Haestad himself added: "It's a dream to play in England and I'm grateful to Wigan for taking the chance on me."
The Doffer, as Haestad is known, will be eligable to play in the FA Cup third round tie with Portsmouth on the 6th January.