Eaves was stretchered from the field of play shortly after the hour mark at Deepdale after being on the receiving end of a poorly-timed challenge and scans have now confirmed the severity of the injury, meaning the front-man will now be sidelined for the remainder of the campaign.
Speaking following confirmation of the news, Head Coach McCann said: “Tom will be out for the season with the ankle injury he suffered at Preston. He’s a big loss and, as I said after the game, it was a horrendous tackle on him.
“It’s ligament damage. He’s torn a couple of ligaments in his ankle and it’s a similar sort of injury to what has sidelined Eric (Lichaj) and Herbie (Kane). It’s disappointing news.”
The Tigers suffered further injury frustration in Wednesday night’s home defeat at the hands of Barnsley. Jon Toral picked up a hamstring problem on what was his first start for four months while Jordy de Wijs hobbled off the pitch in the second half with another calf complaint.
And to make matters worse, the Dutchman’s fellow centre-back Reece Burke missed the clash with the Tykes completely with a calf injury suffered in training in the build-up to the game.
“Jordy looks as though he’s done his calf,” added McCann. “Reece Burke missed the Barnsley game because he walked out of training on Tuesday with a calf injury. We don’t know how long they’ll be out for as of yet – they’ll both have to be assessed.
“Jon Toral felt his hamstring, so we’ll just have to wait and see on that one as well. It’s both frustrating and annoying but it is what it is.”