Patrick Kane and Jonathan Toews

Jonathan Toews, left, and Patrick Kane during the 2017 NHL All-Star Game tournament at Staples Center on Jan. 29, 2017, in Los Angeles.

Jonathan Toews, left, talks with teammate Patrick Kane during the NHL All-Star Skills Competition on Saturday, Jan. 28, 2017, in Los Angeles.

Patrick Kane and Jonathan Toews wait to start overtime against the St. Louis Blues at the United Center.

Patrick Kane and Jonathan Toews celebrate after a goal by Kane in the first period of a game against the St. Louis Blues.

Patrick Kane and Jonathan Toews visit with Richard Dent before a Bears game Sunday, Oct. 4, 2015.

Patrick Kane and Jonathan Toews during the Blackhawks championship rally June 18, 2015 at Soldier Field.

Patrick Kane and Jonathan Toews during the Blackhawks championship rally June 18, 2015 at Soldier Field.

Jonathan Toews and Patrick Kane celebrate after defeating the Tampa Bay Lightning in Game 6 of the Stanley Cup Final at the United Center.

Jonathan Toews and Patrick Kane celebrate after defeating the Tampa Bay Lightning in Game 6 of the Stanley Cup Final at the United Center.

Jonathan Toews and Patrick Kane arrive before Game 4 of the Stanley Cup Final at the United Center.

Jonathan Toews speaks with Patrick Kane during Game 3.

Patrick Kane and Jonathan Toews during practice before the Stanley Cup Final at Amalie Arena.

Patrick Kane passes the puck to Jonathan Toews in front of the Lightning goal during the first period in Game 1 of the Stanley Cup Final.

Corey Crawford, Jonathan Toews and Patrick Kane during practice before the Stanley Cup Final.

Patrick Kane celebrates Jonathan Toews’ second goal in the first period of Game 7 in the Western Conference Final.

Patrick Kane and Jonathan Toews celebrate Toews’ first goal in the first period of Game 7 in the Western Conference Final against the Ducks.

Jonathan Toews with Patrick Kane during Game 6 at the United Center vs. the Ducks.

Jonathan Toews skates beside his injured teammate Patrick Kane as Kane heads to the locker room.   (Chris Sweda / Chicago Tribune)

Patrick Kane and Jonathan Toews during a Blackhawks scrimmage.   (Brian Cassella / Chicago Tribune)

Jonathan Toews and Patrick Kane have a laugh with Blackhawks president and CEO John McDonough and Blackhawks owner Rocky Wirtz after a press conference announcing their new contracts.   (Chris Sweda / Chicago Tribune)

Blackhawks Conn Smythe trophy winners Patrick Kane and Jonathan Toews during the Blackhawks Fan Convention .   (John Konstantaras / Chicago Tribune)

The United Center scoreboard shows images of Jonathan Toews and Patrick Kane as the two players discuss their new contracts at a press conference.   (Chris Sweda / Chicago Tribune)

Jonathan Toews and Patrick Kane speak during a press conference announcing their new contracts.   (Chris Sweda / Chicago Tribune)

Jonathan Toews and Patrick Kane laugh during a press conference announcing their new contracts.   (Chris Sweda / Chicago Tribune)

Patrick Kane, Corey Crawford and Jonathan Toews celebrate their 5-4 win over the Los Angeles Kings in the second overtime period in Game 5 of the Western Conference Final.   (Brian Cassella / Chicago Tribune)

Patrick Sharp, Patrick Kane, Jonathan Toews, Marian Hossa and coach Joel Quenneville watch the final minutes of the third period during Game 2 of the Western Conference Final.   (Brian Cassella / Chicago Tribune)

Jonathan Toews pats Patrick Kane on his back as he was being interviewed outside the locker room before the start of playoff game 2 against the Minnesota Wild.   (Nuccio DiNuzzo / Chicago Tribune)