And that begins with the 20-year-old Washington Capitals forward prospect hitting the weight room.
"I think just strength is the main thing for me," Leason said during Capitals development camp in June. "I was playing against younger guys and I think everybody here will be older than me and all built into their bodies. So I think this summer's going to be really important for me. I've just got to keep training every single day on and off the ice."
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Leason (6-foot-4, 200 pounds) was chosen by Washington in the second round (No. 56) of the 2019 NHL Draft after not being selected in 2017 or 2018. He's projected to begin this season with Hershey of the American Hockey League.
"Our cupboard was getting a little thin and now we get a kid, instead of waiting two years to get him in our system he's in our system within months," Capitals director of player development Steve Richmond said. "So that's a bonus. And obviously he can play.
"He's got two months now to get on a [strength] program we're putting him on and it will be exciting to see his progress throughout the year."
Leason was eighth in the WHL last season with 89 points (36 goals, 53 assists) in 55 games with Prince Albert, and was second in the playoffs with 25 points (10 goals, 15 assists) in 22 games to help Prince Albert win the league championship.