Game 4 of Predators-Blackhawks playoff series tied at 2 after 2 overtimes

Chicago Blackhawks and Nashville Predators players shove each other in the Chicago net late in the second period in Game 4 of an NHL Western Conference hockey playoff series against the Nashville Predators on Tuesday, April 21, 2015, in Chicago. (Daily Herald/John Starks via AP) (The Associated Press)

Chicago Blackhawks goalie Scott Darling stops a shot by Nashville Predators left wing Viktor Stalberg late in the third period in Game 4 of an NHL Western Conference hockey playoff series against the Nashville Predators on Tuesday, April 21, 2015, in Chicago. (Daily Herald, John Starks via AP) (The Associated Press)

CHICAGO – The Nashville Predators and Chicago Blackhawks are heading to a third overtime period in Game 4 of their first-round playoff series.

The tired teams were tied at 2 after 100 minutes of play on Tuesday night. It was the longest game in Nashville history.

Colin Wilson and James Neal had the goals for the Predators, and Antoine Vermette and Brandon Saad scored for the Blackhawks.

Chicago leads the series 2-1.

Blackhawks rookie Scott Darling had 50 saves going into the third extra session. Predators star Pekka Rinne had 44.

Rinne made a terrific sprawling stop on Andrew Desjardins' backhand after the forward cut across the goal about 13 minutes into the first overtime. On the other side, Darling robbed Neal with a glove save on his quick shot off a faceoff.