Article in Leksands IF LeksingenRead the source local hockey roots were in Avesta, and he came from Fors outside the town itself, as Leksand’s member magazine Leksingen described in 2018. He played senior hockey for Article in WikipediaRead the source in Division 2 in 1991/92, followed by 3 seasons in Division 1 through 1994/95.
Westlund moved on to Brynäs in Article in WikipediaRead the source, and his first season there included games in Elitserien, Allsvenskan and the qualification series. He then continued with Brynäs in Elitserien during 1996/Article in WikipediaRead the source/98.
In 2003/04, Westlund played for Article in WikipediaRead the source in Elitserien and the qualification series. Article in Leksands IF LeksingenRead the source revisited his career in 2018, the magazine also reported that he had spent several seasons scouting for the Pittsburgh Penguins.