On Thursday, the Blackhawks released forwards Drew Miller and John Mitchell and defenseman Mark Stuart from their PTOs.
All three skated in Tuesday’s preseason win in Columbus.
Mitchell skated 9:36 and picked up a penalty with one hit and one shot on net.
Miller skated 14:07 with two shots on net. He spent 4:55 on PK.
And Stuart skated 16:15 with a penalty as well. He spent 5:23 on PK in the win.