Center back Isak Hien had already left the field - and subsequently the national team - at the end of the first half.
When Gudmundsson sat down and grabbed his leg, he probably had a few scares. In the 77th minute, he came off for Daniel Svensson.
"I immediately felt it was a blow. If it had been a twist, I probably wouldn't be standing here today," he says in the mixed zone.
Gudmundsson was excellent against Ukraine. But that's history. A World Cup spot will be secured on Tuesday night in the qualifying final against Poland.
The most important match of my career is tomorrow. That's when you have to go out and deliver.
