Blackhawks practice on Friday

Goaltending coach Jimmy Waite works with Corey Crawford during practice.

Patrick Sharp watches from the edge of the rink during practice.

Patrick Kane and center Brad Richards watch from the edge of the rink during practice.

Teuvo Teravainen practices deflecting the puck with goaltender Antti Raanta during practice.

Patrick Sharp wipes his face during practice.

Patrick Kane maneuvers the puck towards the goal during practice.

Scott Darling talks with fellow goaltender Corey Crawford during practice.

Brad Richards takes a shot on goal during practice.

Brandon Saad laughs during practice.

Daniel Carcillo moves the puck down the ice during practice.

Corey Crawford tries to stop a shot as left wing Teuvo Teravainen, defenseman Kyle Cumiskey and defenseman Brent Seabrook scramble in front of the goal during practice.

Joel Quenneville watches his team during practice.

Joel Quenneville watches his team as Jonathan Toews skates by during practice.

Corey Crawford watches a puck in midair during practice.

Corey Crawford stops a shot during practice.

Corey Crawford practices.

Bryan Bickell practices.

Trevor van Riemsdyk practices.

Niklas Hjalmarsson takes the ice for practice.

Jonathan Toews during practice.

Bryan Bickell skates during practice.

“Kind of ironic they came from Chicago,” said a worker unloading “thunder sticks,” which are blown up and given to Lightning fans.