Selected by the Colorado Avalanche with the No. 4 pick in the 2019 NHL Draft, Byram has 152 points (44 goals, 108 assists) in 328 regular-season games with the Avalanche and Sabres. He also has 19 points (four goals, 15 assists) in 40 playoff games, including nine assists in 20 games in 2022, when he helped Colorado win the Stanley Cup.
"To be honest I feel like I've just been preparing for hopefully an opportunity like this for a long time," Byram said. "I'm a two-way defenseman. I transport the puck. I can move the puck, whether it's passing the puck up the ice or using my feet, using my skating to transport it. I think I can help the power play, but I also think I'm a good defender. I feel like I use my feet to defend and close quickly and try to kill plays. Like I said, I'm super excited to have this opportunity. I don't take it lightly. I know Chicago's a great place to play, a great organization, so I'm proud to put the Blackhawks jersey on and do what I can to help the team improve and help the team win."
Greenway had six points (one goal, five assists) in 40 regular-season games for the Sabres, and three points (two goals, one assist) in 13 playoff games.
The 29-year-old forward is entering the final season of a two-year, $8 million contract ($4 million AAV) he signed with Buffalo on March 5, 2025.
Selected by the Minnesota Wild in the second round (No. 50) of the 2015 NHL Draft, Greenway has 165 points (56 goals, 109 assists) in 475 regular-season games for the Wild and Sabres, and 10 points (five goals, five assists) in 35 playoff games.
Crevier had 25 points (seven goals, 18 assists) in 78 games for the Blackhawks this season. The 25-year-old defenseman, who was selected by Chicago in the seventh round (No. 188) of the 2020 NHL Draft, has one season remaining on a two-year, $1.8 million contract ($900,000 AAV) he signed on July 17, 2025.
Buffalo (50-23-9), which won the Atlantic Division this season and qualified for the playoffs for the first time since 2010-11, now has two picks in the first round of this year's draft (also No. 20), which will be held at KeyBank Center, the Sabres' home, beginning on Friday (7 p.m. ET; ESPN, SN, TVAS).
Chicago now doesn't have a pick in the draft until the second round (Nos. 34 and 37), which will take place on Saturday (11 a.m. ET; NHLN, ESPN+, SN). The Blackhawks (29-39-14) finished last in the Central Division and haven't qualified for the postseason since 2019-20.
NHL.com staff writer Tracey Myers contributed to this report