The former Capitals center returns to Verizon Center with the Ducks on Monday night.
While they acquired a fourth round pick and a minor league prospect in exchange for Perreault, the Capitals real benefit from this move is salary cap space.
The possibilities and the pros and cons for the opening night lineup seem endlessly complicated.
A look at how the players on the third and fourth lines fared this season and what the future might hold.
Through the first five games of the playoffs the Capitals' third line has been their most consistent and effective unit.
While the Capitals have found success recently, they still only have three wins against teams currently in playoff position this season.
Just as the Capitals blue line seemed to be getting healthy, two defensemen didn't take part in Thursday's practice in Arlington.
Notes from the Capitals' 3-2 loss to the Islanders.
The Capitals move into a critical week with a four-game road trip that could determine the fate of their season.
Jason Chimera scores his first goal of the season.