Leicester boss Richard Cockerill said that he thought Dylan Hartley “might have learned a lesson by now” after his sending off on Saturday.
The Northampton hooker was given his marching orders by referee JP Doyle after elbowing Matt Smith in the seventeenth minute of the match.
And asked for his reaction to the Hartley dismissal, Leicester boss Cockerill, whose side lost the game 23-19 at Franklin’s Gardens, said: “If you strike someone in the face you are liable to get yourself in trouble. That’s the nature of it.
“You would have thought he might have learnt a lesson by now. That’s just the way it is.”
Reflecting on Tigers’ performance, Cockerill added: “I am disappointed with how we managed the second half. We got what we deserved, probably.
“You have to control the field position and get the pack in the right areas, and we didn’t do that at all.
“Defensively, we were poor. We were too narrow, and it will be interesting when we have a look on Monday morning that one side with one less back can create opportunities in the wide channels against us. That’s not right.
“They outplayed us in the second-half. There is no point in beating about the bush. We seemed to go awol at times in defence.”