Middleton recorded a goal, an assist, two shots on net and four blocked shots in Monday's 3-1 win over the Avalanche.
Middleton recorded a goal and an assist in Tuesday's 6-4 win over the Blues. He also notched three shots on goal, three hits and a blocked shot.
Middleton (hand) was activated from long-term injured reserve Tuesday, Michael Russo of The Athletic reports.
Head coach John Hynes said Monday that Middleton's (hand) return to game action is "imminent," Jessi Pierce of NHL.com reports.
Middleton (hand) was placed on long-term injured reserve Friday.
Middleton scored a goal on two shots, added three hits and went plus-2 in Tuesday's 3-2 overtime win over the Canucks.
Middleton posted an assist, two shots on goal, two hits, four blocked shots, two PIM and a plus-3 rating in Tuesday's 4-2 win over the Blues.
Middleton notched three assists while adding three blocked shots and a plus-3 rating in Tuesday's 5-1 win over the Panthers.
Middleton (bruise) will be available for Thursday's Opening Night matchup against the Blue Jackets, Jessi Pierce of NHL.com reports.
Middleton (bruise) took part in Monday's practice session, John Shipley of The Pioneer Press reports.