The 28-year-old forward set career-highs in assists (49), points (77) and plus/minus (plus-22), leading the club in those three categories. He also tied his career high in goals with 28. He finished the regular season leading the League with 1,086 face-off wins and was selected to his second NHL All-Star game in January.
"Just getting to know him, he does everything perfect on and off the ice," Perron said. "He's been a great leader for our team, and even for me personally that has been around the League for a long time now, you can learn off guys like that. It's been incredible to play with him on the same line on certain nights and to be in the room with him and practice and see how hard he works. He stays on the ice and works on his game. That's helped me and that's helped a lot of us get better as the year went on. Part of the turnaround (on the ice) is definitely his play on and what he brings in the room."
The King Clancy Memorial Trophy will be awarded at the 2019 NHL Awards in Vegas on June 19 (7 p.m., NBCSN).
"For us hockey players, hockey can be a way of life. It's what you do, you eat, sleep and train it," O'Reilly said. "After a game, good or bad, going out there and seeing a kid with cancer or seeing a kid that's been doing something good in the community, it's a great way to bring things back to more important things in life.
"I'm just trying my best to make their day."