Tyler Seguin's hat trick helps Stars rally for 5-4 win over Panthers

Dallas Stars' Tyler Seguin (91) is congratulated by the bench after scoring a goal in the second period of a preseason NHL hockey game against the Florida Panthers, Monday, Sept. 29, 2014, in Dallas. (AP Photo/Tony Gutierrez) (The Associated Press)

Florida Panthers goalie Roberto Luongo (1) defends against a shot under pressure from Dallas Stars' Ales Hemsky (83) of Czech Republic in the first period of an preseason NHL hockey game, Monday, Sept. 29, 2014, in Dallas. (AP Photo/Tony Gutierrez) (The Associated Press)

Tyler Seguin scored three goals and the Dallas Stars rallied to beat the Florida Panthers 5-4 on Monday night.

Seguin's first two goals both tied the game after Florida built leads of 3-0 and 4-3. His two third-period scores against Roberto Luongo were on power plays.

Seguin also assisted on Valeri Nichushkin's score that started the Stars' three-goal surge in the second.

Goals by Rocco Grimaldi, Scottie Upshall and Quinton Howden against Kari Lehtonen built Florida's 3-0 lead in the first 23 minutes.

Lehtonen finished with 13 saves while playing 41 minutes, 49 seconds. After that, Anders Lindback stopped seven shots and allowed Colby Robak's goal that put the Panthers ahead 4-3.

Robak was in the penalty box when Seguin scored the game-winner.

Jason Spezza had three assists and Ales Hemsky added two for Dallas.

The Panthers pulled Luongo in the final minute. He made 23 saves.