Prosvetov was reassigned to AHL Colorado on Wednesday.
Prosvetov was recalled from AHL Colorado on Monday.
Prosvetov was waived by Colorado on Saturday, per Elliotte Friedman of Sportsnet.
Prosvetov allowed four goals on 13 shots before being replaced by Alexandar Georgiev midway through the second period of Saturday's 8-4 loss to the Panthers.
Prosvetov is expected to start at home against Florida on Saturday, according to Jameson Olive of the Panthers' official site.
Prosvetov was the first goalie off the ice at the morning skate, Avalanche play-by-play announcer Conor McGahey reports, indicating he will guard the road net Saturday against Winnipeg.
Prosvetov is expected to start in Wednesday's home game against Buffalo, per Meghan Angley of DNVR Avalanche.
Prosvetov will be between the home pipes versus Philadelphia on Saturday, Tyler King of the Denver Gazette reports.
Prosvetov allowed three goals on 37 shots in Saturday's 4-3 shootout loss to the Ducks.
Prosvetov will guard the road net against Anaheim on Saturday, Avalanche play-by-play announcer Conor McGahey reports.