Entering the season, Vatrano had amassed just 4:15 on the penalty kill over 205 career games.
"I love it," Vatrano said when asked about killing penalties earlier in the season. "I think the biggest thing we talked about on the PK is making sure that I'm using my speed. That's going to be my biggest factor. On the PK, it's just killing plays and creating offense when you can."
Vatrano saw his greatest success on the penalty kill when he skated alongside Aleksander Barkov -- an elite two-way center and perennial threat to win the Selke Trophy. Over the 45:52 the duo shared the ice while shorthanded, opposing teams were limited to just three total goals.
"I had a tandem there with Barky," Vatrano said of his chemistry with the Panthers captain. "We created off one another. It gets yourself more ice, more opportunity to keep yourself in the game."
When he wasn't killing penalties, Vatrano, whose versatility allowed him to slot in up and down the lineup as needed throughout the season, helped provide the Panthers with a good amount of secondary scoring while also "playing a hard game," according to defenseman Keith Yandle.
In addition to registering 34 points (16 goals, 18 assists), the East Longmeadow, Massachusetts native also finished second among Florida's forwards in hits (102) and third in blocked shots (43).
"He flies up and down the wing," Yandle said when asked about Vatrano during the team's Return to Play camp in July. "He creates space for himself and his linemates. He's definitely not afraid to get his nose in there… He's a good Massachusetts boy, where he's a little hard-nosed."
Vatrano's best stretch of the season came just before the All-Star break. From Jan. 5-21, he tallied 11 points (six goals, five assists) in eight games, a torrid stretch that culminated with the second hat trick of his career during Florida's final game before the break, a 4-3 win in Chicago.
"He made a couple great shots, quick shots," Panthers head coach Joel Quenneville said of Vatrano's performance after the game. "Frankie's been on a little bit of a roll here. He does other good things, definitely gives us some speed in the game. He's got some scoring touch."
Making his second-career trip to the postseason, Vatrano laced up his skates in two games during last month's Stanley Cup Qualifiers, recording three shots on goal, three hits and one blocked shot as the Panthers were unfortunately eliminated by the Islanders in four games.
Over the last two seasons, Vatrano ranks fifth on the Panthers with 40 goals.