Middleton was placed on waivers Saturday with the intention of assigning him to AHL Colorado.
Middleton was placed on waivers Friday, Peter Baugh of The Athletic reports.
Middleton signed a two-year extension with the Avalanche on Saturday, Peter Baugh of The Athletic reports.
Middleton signed a one-year contract with the Avalanche on Thursday.
Middleton was promoted from AHL Colorado on Friday, according to CapFriendly.
Middleton was reassigned to AHL Colorado on Thursday, Adrian Dater of ColoradoHockeyNow.com reports.
Middleton was promoted to the taxi squad Wednesday, per CapFriendly.
Middleton was assigned to AHL Colorado on Tuesday, per CapFriendly.
Middleton had one shot on net, one hit and two PIM over 10:41 of ice time in Friday's 2-0 win over the Ducks.
Middleton was promoted to the active roster and will suit up for Friday's game against the Ducks, per CapFriendly.