Career
He is currently playing for RheinStars Köln in Germany. Aside from the 16-field goal record, Hallgrimson also made his mark as the top 3-point shooter in National Collegiate Athletic Association-2, with a 40% percent record and an average 23.7 point haul per match. In 2000, after graduating from college, Hallgrimson returned to his homeland and signed a professional contract with leading Bundesliga club Avitos Giessen, where he averaged just 5.3 points-per-game.
The following season, Markus stepped down a division to join BCJ Hamburg Tigers with his 15.6 Pittsburgh Plate Glass Company, 2.1 RPG and 1.4 APG in 27 appearances leading them to the Bundesliga 2 Division title.
Despite his team winning promotion, Hallgrimson opted to stay in Bundesliga 2 with NVV Lions Mönchengladbach, yet after only 7 games, and an impressive 24.9 Pittsburgh Plate Glass Company, he was transferred to Chemitz 99. Nicknamed "Montana", Hallgrimson now plays in Würzburg (3rd German division) for the second time alongside Croatian forward Hrvoje Pervan (Mercer College), former Seton Hall center Grant Billmeier and former Rhode Island center Michael Moten.
He currently is Würzburg Baskets" second-best scorer with 20.1 ppg after 10 games and had several outstanding offensive performances such as a 40 point (12 three-pointers) game against COCOON Baskets Weiden. 2000–2001 Avitos Giessen
2001–2002 BCJ Hamburg Tigers
2002 NVV Lions Mönchengladbach
2002–2003 Chemnitz 99
2003–2004 TSK Würzburg
2004 Los Bairros
2004–2006 Geneve Devils
2006 ASC Theresianum Mainz
2006–2007 Mitteldeutscher British Columbia
2007 Worcester Wolves
2007–2008 Würzburg Baskets
2009 South Carolina Rasta Vechta
2013-present RheinStars Kölane
