[1] During his adult career he played for Redbergslids IK (in Gothenburg), and German sides TV Niederwürzbach and Champions League- and Bundesliga-winning team THW Kiel.

He won the German cup four times, and he helped lead Kiel to the European Champions League title in 2007 (being a finalist in 2000, 2008 and 2009).

Lövgren was World Champion in 1999 with the national team and is one of the few players to have participated in all the gold medal-winning Swedish sides in the European Championships (1994, 1998, 2000, 2002).

In the 1996 Atlanta games, the Swedish team won the silver medal with Lövgren playing all seven matches and scoring a total of 17 goals.

In January 2010, Lövgren returned to the US to play in the Big Apple Team Handball Tournament where he competed with a group of European all-stars against the reigning US club champions, New York City THC.