"Robert is a good 200-foot player, he's intelligent," Matt Ryan of NHL Central Scouting said. "He's an excellent passer and has a good vision of the ice. He can create in traffic, doesn't panic and makes smart decisions with the puck. He's a natural playmaker."
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Thomas' breakout offensive season coupled with his attention to defensive details and plus-41 rating has him at No. 22 among North American skaters in NHL Central Scouting's final rankings for the 2017 NHL Draft presented by adidas.
The first round of the draft at United Center in Chicago is Friday (7 p.m. ET; NBCSN, SN); Rounds 2-7 are Saturday (10 a.m. ET; NHLN, SN).
Thomas often is compared to Vancouver Canucks center Bo Horvat, who preceded him in London, and scouts expect Thomas to fill a second- or third-line center role in the NHL.
"I really proved what I could do this season," Thomas (5-foot-11, 192 pounds) said. "I got on the radar of NHL teams. Plus/minus, to me, is an underrated statistic because it says a lot about a player. I'm very proud of it."
Thomas had a limited role with London as an OHL rookie in 2015-16. However, he had the opportunity to share a locker room with some players who made an impact in the NHL this season, most notably Mitch Marner of the Toronto Maple Leafs, Matthew Tkachuk of the Calgary Flames and Christian Dvorak of the Arizona Coyotes.
The Knights won the OHL championship and the Memorial Cup in 2016, and Thomas, at age 16, was a useful role player, a rarity at his age. He said London's playoff success was a major reason for his improvement this season.