The Ireland assistant boss launched a stunning critique of the players yesterday as he expressed his frustration with the performance during Tuesday's defeat to Belarus.
Keane's out-burst has left many players wondering if they could be demoted from the starting side ahead of the Euro2016 opener against Sweden.
But goalkeeper Darron Randolph says that manager Martin O'Neill likes to keep his players guessing…
Meanwhile, England will finish-off their Euro2016 preparations tonight as they play host to Portugal in their final warm-up friendly.
Roy Hodgson has already confirmed that team captain Wayne Rooney will start at Wembley but Cristiano Ronaldo will sit-out the game for the visitors.
Kick-off is 19:45.