The Calgary Flames battled toe-to-toe with the NHL's No. 1 team on Tuesday, but a rare gaffe by veteran forward Blake Coleman cost them.

Washington Capitals' Aliaksei Protas celebrates a goal against the Calgary Flames ... but a rare gaffe by veteran forward Blake Coleman cost them. Eighteen seconds after Coleman's second-period ...

CALGARY - The Calgary Flames battled toe-to-toe with the NHL's No. 1 team on Tuesday, but a rare gaffe by veteran forward Blake ... Coleman had tied the game three minutes earlier with his 11th ...

CLICK HERE FOR DETAILS Matt Coronato was originally credited with three straight goals in the victory, but his first tally was changed to Blake Coleman ... making a diving one-handed pass across ...

After making stick saves on Johnson and Fantilli, Shesterkin finished off his 17th career regular-season shutout with a diving pad ... with a win. Blake Coleman had a goal and two assists for ...