Eichel is out of the walking boot he's had on since he was injured during practice on Oct. 12.
"Jack [Thursday], was at two weeks and a day and got the boot off," Bylsma said. "I don't know exactly what his exercise level that he moved to, but I know that he was walking in the boot for a few days before [Thursday] and got the boot off [Thursday] and we saw him walking around postgame [Thursday] with the boot off."
Kane sustained four cracked ribs during Buffalo's opening night 4-1 loss to the Montreal Canadiens on Oct. 13. Just over two weeks after being injured, he's nearly ready to resume workouts.
"He's closer to starting cardiovascular [workouts] off the ice," Bylsma said. "It would probably be another three to five days. We'll see when he's going to progress, I would say."
Lehner rejoined the Sabres at practice Friday after missing the past four days with a stomach illness. Lehner sat out a 4-3 shootout loss at the Philadelphia Flyers on Tuesday and a 4-0 loss to the Minnesota Wild at KeyBank Center on Thursday