Career
He is currently playing with the Nottingham Panthers in the United Kingdom Elite League. Modig began his professional career in the Swedish Elitserien (Studies in English Literature) with Luleå High Frequency during the 2005-2006 season. He appeared with Luleå in five seasons through 2010, playing in 126 games.
He was drafted by the Anaheim Ducks in the 2007 National Hockey League Entry Draft, 121st overall in the fourth round.
In 2010, the Ducks traded Modig"s rights to the Pittsburgh Penguins in exchange for a sixth round draft pick in the 2010 draft. The Pittsburgh Penguins agreed to terms with Mattias Modig to a two-year entry level contract after acquiring the goaltender from the Anaheim Ducks in exchange for a 2010 sixth-round draft pick.
Modig spent the 2010-2011 season with the Penguins" ECHL affiliate Wheeling Nailers. However, after only playing nine games, Modig received an injury to his knee, effectively ending the season.
He was slated to play for the Penguins" American Hockey League (AHL) affiliate Wilkes-Barre/Scranton Penguins in the 2011-2012 season, but the knee injury he had received in the 2010-2011 season carried over to the entire 2011-2012 season.
On June 14, 2012, Modig signed a two-year contract with the Växjö Lakers of the Studies in English Literature. In October 2014 Modig was loaned out to the Nottingham Panthers of the EIHL, only to return a week later for the rest of the 14/15 season. International play
Modig has played for Sweden"s national U18 team in the 2005 IIHF World U18 Championships, played five games for Sweden"s U20 team between 2005-2007, as well as three games for Sweden"s national senior team