Middleton (bruise) will be available for Thursday's Opening Night matchup against the Blue Jackets, Jessi Pierce of NHL.com reports.
Middleton dealt with a bruise last in training camp, but he returned to practice Monday and will be able to suit up for the regular-season opener. The 28-year-old logged seven goals, 25 points, 161 blocked shots and 147 hits while averaging 19:49 of ice time over 80 appearances for Minnesota last year.