How It Happened
Mackenzie Blackwood's first save on a high-danger chance came 6:03 into the game when he denied Noel Acciari's shot from the left doorstep off the rush.
Philadelphia's Matvei Michkov opened the scoring on the power play at 7:41 of the first period via a shot from the right circle.
At 10:42 of the first period, Blackwood went from post to post and made a huge save on Trevor Zegras' shot from the left doorstep off the rush.
Blackwood kept the Avalanche within a goal when he denied Sean Couturier's chance from the doorstep at 11:35 of the first period.
The best offensive chance for the Avs in the opening frame came at 15:44, when Lehkonen's left-circle shot was stopped by Flyers goalie Joseph Woll.
Michkov doubled the Flyers' lead at 12:22 of the middle frame via a shot from the point through traffic.
At 17:52 of the second period, Necas put the Avs on the board with his fifth goal of the season via a shot from above the right circle. With the secondary helper on the goal, Toews tied John-Michael Liles for the third-most assists by a defenseman in franchise history (207).