I like Kenny, but he's made far more mistakes from less chances. He was a risk Koeman didn't want to take, and killed the game against Leicester.
Why does everyone have to be sacked because we signed a squad player on a free?
More mistakes from fewer chances? Martina is never around to make "mistakes" because he's 20 yards out of position.
And yes, it's a genuine problem to waste those two extra years worth of wages on a nothing player. Fees aren't the only thing that cost the club money.