Connor Carrick was a 5th round pick, 137th overall, by the Capitals in the 2012 Entry Draft. He played in 34 games with them in 2013-14 but spent last season in the AHL with Hershey Bears. Played in another 3 NHL games with the Caps this season before his trade to Toronto where he made his debut last night.
Zach Hyman was a 5th round pick, 123rd overall, by the Florida Panthers in 2010. He opted for 4 years varsity hockey at U. of Michigan and came to the Leafs in a June 2015 trade for Greg McKegg. He had 54 games with the Marlies prior to his NHL debut last night.
Brooks Laich, a 6th round pick, 193rd overall, in the 2001 Entry Draft by the Senators, also came to Toronto from Washington with Connor Carrick. He's played 744 NHL games with all but his first game, which was in Ottawa, and his last, which was in Toronto last night, as a Capital.
Viktor Loov was a Maple Leaf 7th round pick, 209th overall, in the 2012 Entry Draft. Spent 2 seasons in the Swedish league before joining the Marlies in 2014-15. Has played 123 AHL games, and 4 NHL games, with a reputation for physical punishing checks.
Ben Smith was a 6th round pick, 169th overall, by Chicago in the 2008 Entry Draft. Over parts of 6 seasons in Chicago and San Jose he had 181 NHL games before coming to Toronto in the "stinker" trade that sent our top goalie, James Reimer, packing for San Jose.