The Ibrox supremo will not be losing sleep over Keane's suggestion that his Rangers side is one of the worst he's seen.
Both teams look set to see players return to action for tomorrow's game.
Sunderland's Lynden Gooch and and Duncan Watmore have both been selected regularly over the start of the season.
Aston Villa midfielder Jack Grealish missed their last match with injury.
Would Blackburn survive the dreaded drop into the third tier if they had kept some of these players?
Watford ace has impressed in recent weeks.
Robert Green joined Leeds United in the summer transfer window.
McCormack is only expected to miss Saturday's match at Ipswich Town, but De Laet is facing a much lengthier spell out.
The Bournemouth manager is the latest to be linked to the hotseat at the Emirates Stadium in the event of Arsene Wenger's departure.
The forward has been a big hit for the Reds under Jurgen Klopp.