41.   It breeds mental toughness, he said.

42.   It happens when teams cannot muster the mental toughness to get past a team they have had trouble beating.

43.   It makes for a lot of bruises and requires a definite mental toughness.

44.   It was four or five years before I saw and really understood that mental toughness that New Yorkers have.

45.   It was his capacity to combine those qualities with a superior work ethic, an incredible degree of mental toughness and a matchless desire to win.

46.   It was true mental toughness, as well as talent, that enabled the US team to surmount its arch-nemesis, Canada.

47.   Kasparov is known for his mental toughness and psychological shrewdness.

48.   Kasparov, who lost with the black pieces in the opening game, is known for his mental toughness and psychological shrewdness against human opponents.

49.   Karl not only expects a fast start, he is looking for a show of mental toughness right out of the gate.

50.   LeBeau said he feels good about the attitude and mental toughness of his team.