Nikita Kucherov's goal at 4:04 of overtime gave the Tampa Bay Lightning a 3-2 preseason win over the Florida Panthers on Thursday night.
Tim Thomas, signed to a one-year deal by the Panthers on Thursday, started the game. Jacob Markstrom finished the game.
"I think it was a necessary step to do it now rather than waiting," Thomas said. "I feel ready now."
Kucherov's goal capped a rally from a 2-0 deficit for Tampa Bay.
Tyler Johnson and Richard Panik also scored for the Lightning.
Panik and Martin St. Louis exchanged great passes on the game-tying goal at 6:30 of the third period.
Florida took a 2-0 lead on two power-play goals by Jonathan Huberdeau.
Ben Bishop earned the victory and made 26 saves for Tampa Bay.