Acquired defenseman Jordan Leopold from the Columbus Blue Jackets in exchange for defenseman Justin Falk and a fifth-round pick in the 2015 NHL Entry Draft; acquired forward Chris Stewart from the Buffalo Sabres in exchange for a second-round pick in the 2017 NHL Entry Draft.

Assigned forward Michael Keranen to Iowa (AHL).

Acquired forward Sean Bergenheim and a 2016 seventh-round draft pick from the Florida Panthers in exchange for a 2016 third-round draft pick.

Recalled defenseman Christian Folin from Iowa (AHL); assigned defenseman Stu Bickel to Iowa.

Assigned defenseman Christian Folin to Iowa (AHL).

Recalled forward Stephane Veilleux from Iowa (AHL); assigned forward Brett Sutter to Iowa.

Placed forwards Ryan Carter and Jason Zucker on injured reserve; recalled defenseman Stu Bickel and forward Brett Sutter from Iowa (AHL).

Recalled goaltender Darcy Kuemper from Iowa (AHL).

Recalled defenseman Matt Dumba from Iowa (AHL); assigned defenseman Stu Bickel to Iowa.

Activated forward Mikael Granlund from injured reserve.

Recalled defenseman Stu Bickel from Iowa (AHL).

Activated defenseman Justin Falk from injured reserve and placed him on waivers.

Acquired goaltender Devan Dubnyk from the Arizona Coyotes in exchange for a 2015 third-round draft choice.

Assigned defenseman Stu Bickel to Iowa (AHL).

Placed goaltender Darcy Kuemper on injured reserve; recalled goaltender John Curry, defenseman Jonathon Blum and forward Jordan Schroeder from Iowa (AHL).

Assigned forward Brett Sutter to Iowa (AHL).

Recalled forward Tyler Graovac from Iowa (AHL).