The goalie acquired from Detroit earlier this week likely will start Thursday against visiting Columbus. The Flyers will take a nine-game points streak (7-0-2) into the matchup.
Right winger Travis Konecny, who injured his right foot Tuesday, is listed as "probable" for Thursday's game against visiting Columbus, according to general manager Ron Hextall.
The Flyers moved to within three points of first-place Washington in the Metropolitan Division.
The veteran right winger, who has 20 goals, including a team-high 10 on the power play, will miss two to three weeks, GM Ron Hextall said on Tuesday.
Wayne Simmonds, who is tied for second on the Flyers with 20 goals, will miss two to three weeks with an undisclosed injury.
The left winger will be in Philadelphia's lineup Tuesday against visiting Montreal. More moves are expected.
The Flyers hope Alex Lyon will be one of the few home-grown goalies - that is, someone they drafted or sign as a free agent before they played in the NHL - to make an impact for them since 1980.
With Brian Elliott and Michal Neuvirth suffering injuries eight days apart, general manager Ron Hextall needed to bolster the Flyers goaltending before the Feb. 26 trade deadline.
Flyers coach Dave Hakstol, trying to take some of the pressure off rookie goalie Alex Lyon, said "we've won games as a team, and we'll continue to do that."
Arizona's Antti Raanta, Buffalo's Robin Lehner, and Toronto prospect Calvin Pickard are among the goalies that could draw the interest of Flyers' GM Ron Hextall.
Claude Giroux scored his 200th career goal and collected three points as the Flyers whipped the host New York Rangers, but lost goalie Michal Neuvrith to an injury.
The Flyers, on a 5-0-2 run, will try to avenge last month's lopsided loss when they play the New York Rangers in a noon matinee Sunday at Madison Square Garden.
Greg Smyth, a former Flyers defenseman known for his physical play, died at age 51 on Friday, according to the team's alumni association.
The Flyers ended a 13-year losing streak in games played in Columbus, scoring a dramatic 2-1 OT win Friday.
Goalie Michal Neuvirth stopped 38 of 39 shots as the surging Flyers won their fourth straight Sunday night in Vegas. They lifted their record to 20-8-2 since ending their 10-game losing streak on Dec. 4.
Flyers left winger Claude Giroux was named the NHL's No. 1 star of the week after collecting six points in four games. The Flyers won all four.