Career
He was drafted 128th overall by the Atlanta Thrashers in the 2010 National Hockey League Entry Draft. He led Allsvenskan goaltenders in Gaelic Athletic Association for the 2009-2010 season, but after failing to produce similar numbers in the following season PW chose to sign with Timrå in Elitserien for the second half of the 2010-2011 season. Pettersson-Wentzel"s Elitserien debut came on January 22, 2011 in relief of Juha Pitkämäki.
Pettersson-Wentzel represented Sweden at the 2011 World Junior Ice Hockey Championships along with Robin Lehner.