My only issue with Chytil is whether he'll be able to make hockey porn moves at the NHL level. If not, is his development better off as a sheltered 4C who keeps it simple with quick rushes up the ice and then dump n chase (or a shot from far away) or is he better off staying as a Hartford 1C to further develop his skills to see if he can develop them until he can go Kovalev on the NHL opposition also. That's for coaches to decide. If I knew the answer to that with certainty, I'd be getting paid $2 million a year coaching an NHL team. But maybe he could play a strong possession and stickhandling game as early as next October. His development the rest of the season, his training in the offseason and his preseason performance will determine that.
He also needs to do something about his faceoff skills. It's not a hard thing to learn, get a friend, even a minor leaguer, and keep practicing for a couple hours a day. His faceoff ability is so horrid, he could probably even learn from watching YouTube videos on it. Maybe not basic ones, but the ones that teach you how to cheat on faceoffs. Faceoff ability in the NHL comes down to how well you cheat at the tiny things that everyone else doesn't notice. As things stand, he can't be a real NHL center just purely on his faceoff ability. You can't have a guy who will cleanly lose possession every time. It leads to a dump out when you're in the offensive zone, and to an offensive setup for the other team when you're on defense. It's so bad that when he doesn't lose cleanly (still loses, but ties it up for a split second), I'm relieved and think, "well, that's progress."
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As for Lias, he's definitely not NHL ready today. Granted 95%+ of the players not drafted in the top-3 are not ready the year they are drafted - outside of the top 2 guys drafted in 2017, the only one who played over 9 games (to count for ELC purposes) is an Islander who was drafted at the age of 21, and even he only played 14 games. So this is not a great knock on Lias. Let's keep in mind that it took Zuccarello until 25 years of age to cement himself in the NHL. Other busts like McDonagh, Kreider and Miller had to take trips to Hartford at the ripe old age of 21, so there's nothing wrong with a 19-year-old not being ready. Getting called up early doesn't prove anything - who had a better career, McDonagh of Del Zotto? Kreider or Malhotra?
Since he plays (or should play) a two-way game that relies on smart, simple plays that are effective in all 3 zones, he could be effective in a 4C role to start his NHL career, and then learn from there how to progress upwards. Given his style, I have no doubt that once he's NHL-ready, he'll be called up. Chytil could stay in the AHL even after he can hold up as a 4C to polish his fancy moves; Lias doesn't need that because he relies on smart moves and those are best-learned vs the best opposition he can hold up against.