Malenstyn (illness) completed a full practice Monday, clearing the way for him to suit up against the Hurricanes on Wednesday.
Malenstyn (illness) is expected to miss Saturday's tilt against Seattle, per Lance Lysowski of The Buffalo News.
Malenstyn (illness) will be a game-time decision versus Seattle on Saturday, per Matthew Fairburn of The Athletic.
Malenstyn (illness) won't travel with the Sabres ahead of Thursday's road matchup against the Senators, Paul Hamilton of WGR Sports Radio 550 reports.
Head coach Lindy Ruff said Monday that Malenstyn is dealing with an illness and seems unlikely to play against the Capitals, Paul Hamilton of WGR Sports Radio 550 reports.
Malenstyn scored a goal, added three hits and blocked two shots in Monday's 7-1 win over the Islanders.
Malenstyn posted an assist and five hits in Monday's 6-5 shootout loss to the Red Wings.
Malenstyn scored a goal on two shots and added four hits in Tuesday's 5-4 loss to the Avalanche.
Malenstyn notched an assist, two blocked shots and two PIM in Thursday's 6-1 win over the Rangers.
Malenstyn and the Sabres agreed to terms on a two-year, $2.7 million contract Tuesday, Elliotte Friedman of Sportsnet reports.