Nylander, who will turn 39 in October, last played in the NHL for Washington during the 2008-09 season.
Nylander enjoyed tremendous success playing alongside new Flyers winger Jaromir Jagr when the two played in New York for the Rangers. Jagr signed a one-year deal to return to the NHL with Philadelphia earlier this summer.
In 920 career NHL games, Nylander has 209 goals and 679 assists.
Scott Burnside covers the NHL for ESPN.com.