There's a simple reason it's so hard to figure out exactly when Jim Vandermeer suffered his broken ankle in Sunday's game in Chicago.
It happened last Thursday when the Calgary Flames faced Nashville.
In the warm-up, too, by a puck shot by a teammate.
Vandermeer played two-and-a-half games with the problem before he couldn't stand the pain any longer.
"It felt like a bruise," said the defenceman. "I've blocked lots of shots before and got lots of bruises. Halfway through the first period in the Chicago game, it seemed to be bugging me a bit more and in the second period we decided to get it checked out."
The diagnosis is he'll be out six to eight weeks.
Rookie Adam Pardy took his place in the lineup, although it wouldn't be a surprise for the Flames to summon another blueliner.
Vandermeer broke his other leg a couple of years ago blocking a shot. This time has a different element of frustration.
"It's maybe a little more frustrating than maybe if I was making a kick save to save a game in overtime," he said.
"I might feel a little better then, but things happen."