Pittsburgh's Marc-Andre Fleury stuffed the initial shot by Cam Atkinson but Calvert stood all alone at the left post and wristed a shot into the open net to even the Eastern Conference quarterfinals at one game each.
Game 3 is Monday in Columbus.
Jack Johnson tied the game with 6:01 left in regulation for the Blue Jackets. Ryan Johansen also scored the first playoff goal of his career for Columbus. Sergei Bobrovsky overcame a shaky start to finish with 39 saves.
For us it's a little bit different. I've never been in front of this much media. This is more than we've ever had to deal with in Tampa. I guess we're on a little bit bigger stage now. It's nice, you have to enjoy it. This doesn't happen too often.
— Lightning forward J.T. Brown after his first Media Day experience on Tuesday in preparation of Game 1 on Wednesday