Ehrhoff will hang up his skates and call it a career, John Vogl of The Buffalo News reports.
Ehrhoff signed with Kolner Haie of the Deutsche Eishockey Liga on Monday.
Ehrhoff -- who was with the Bruins on a professional tryout agreement -- has reportedly elected not to sign with the team, CSN New England reports.
Ehrhoff inked a professional tryout agreement (PTO) with Boston on Friday, Bob McKenzie of TSN reports.
Ehrhoff has been traded to the Blackhawks in exchange for Rob Scuderi, Chris Hine of the Chicago Tribune reports.
Ehrhoff will be assigned to AHL Ontario after clearing waiver Thursday, Bob McKenzie of TSN reports.
Ehrhoff was placed on waivers by the Kings on Wednesday, Bob McKenzie of TSN reports.
Ehrhoff notched assists on the Kings' last two goals -- one of them on a power play -- in Tuesday's 9-2 beatdown of the Bruins.
Ehrhoff scored his first goal in 37 games Saturday against Pittsburgh.
Ehrhoff earned an assist Saturday, setting up the Kings' 3-2 comeback win against Chicago.