Horvat was stronger and stockier. Thomas is shiftier and more of a playmaker. They just play two different types of games with two different body types.
A comparable to Robert Thomas in style bugs me because I struggle to think of one. I agree he and Horvat play different styles, but as for body type, I actually do get the comparison. Horvat is a tank, but he was listed as 6 ft, 200 lbs when he was drafted. The OHL site lists Thomas as 6 ft, 188 lbs. Maybe an inch is tacked on, but he certainly looks and plays like around that size. He's got a real stocky build himself just by looking at him. I don't think he gets over 220 lbs like Horvat, but he seems like a kid who could carry a lot of weight. And he plays very very strong. Knocking him off the puck or winning battles against him down low can be a real chore. So, I actually do get the London, similar draft production, similar body type, gritty 2-way center comparison. Play style I'm not sure on.
Thomas is absolutely ridiculous though, I wouldn't be surprised to see him drafted by a non-playoff team this year, and quite frankly I'd be surprised if he wasn't. He's just so smooth and smart, that kind of hockey sense you just can't teach.
Once it gets into the mid teens, so around the playoff line, he's right up there with anyone to me. One of my absolute favorites this year; watching him every shift is just an enjoyable display of hockey IQ and what a through and through pro-style kid looks like. Just find it hard to believe he doesn't have a high floor of great shutdown 3C, and a sneaky ceiling too. He definitely feels like he has even more to offer offensively, if given a larger role with more consistent top 6 line-mates, and continued development (also being a summer b-day)......and Hunter already trust hims immensely as a shutdown, do-everything guy. He's scoring great for his role, but I just think there's even more latent skill there. Even his skating is pretty powerful and fluid in stride. But continuing to work on his first steps could open up his game even more.
I really can't say enough good things about him, in every aspect of his game. He just looks like an NHLer. The only think that irritates me sometimes is his propensity to not shoot and over-pass and get too cute with it, but at the same time he's a heckuva passer.