Knoyle, a right-back, is a prospect at Upton Park and Cole wants him to show the Scottish Premiership what he's made of...
Good luck to @KyleKnoyle on his new challenge. Do your thing and show them what you're made of lil bro— Carlton Cole (@CarltonCole1) January 30, 2016
It's always difficult to keep track of all a club's youngsters, especially when Reece Oxford made such an impression early in the season.
The 19-year-old, though, has trained with the West Ham first team so is clearly rated.
Tomkins was left with a huge gash on his forehead, prompting treatment with stitches - but hard man Cole told him it was 'just a graze.'
@TomkinsOfficial you'll be fine lad. It's just a graze— Carlton Cole (@CarltonCole1) January 30, 2016
West Ham face Aston Villa next during a Tuesday-night Premier League clash. Celtic, meanwhile, may lick their wounds for some time after losing 3-1 to Ross County in the Scottish League Cup semi-final.