Watch: What's up with the comeback trend?

While the Flyers didn't come away with the win Friday night, they still staged quite the comeback against the Sabres.

After trailing 3-0 in the first period, Philadelphia rallied to tie the score and force overtime, but Tyler Ennis scored in the extra session to give Buffalo a 4-3 win and 3-2 series lead.

So, why the first-round comeback trend? ESPN's Barry Melrose weighs in: