Former Scotland striker Steven Thompson: "If you go back only a very short period of time Steve Clarke could do no wrong.
"This is a defeat, at home, to a weaker nation than ourselves and questions will be asked.When you go into qualifying, these performances won't be tolerated."
Former Scotland forward James McFadden: "There has to be a concern.
Scotland striker Lyndon Dykes: "Football is a lot about momentum.When you don't, it's extra hurt and extra eyes looking in.
"I think we need to go back to our basics.We need to make sure we get back to it and get the hunger back."
Former Scotland defender Willie Miller: "You've got to be honest with the fans, with everybody, that that's not acceptable.
"You can understand the frustration that fans have.