PITTSBURGH, Pa. -- The Eastern Conference finals between the Pittsburgh Penguins and Tampa Bay Lightning could, at this point, go in either direction.
The best-of-seven series is tied at 2-2, with Game 5 Sunday at 8 p.m. ET at Consol Energy Center. Momentum has drastically changed numerous times and it truly is up for grabs. And the nastiness has increased.
"We're getting into the middle of the series and you get a little more of a dislike for the other side," said Penguins veteran forward Matt Cullen.
Both teams have questions and issues, so here are the mysteries Penguins coach Mike Sullivan and Lightning's bench boss Jon Cooper are dealing with.