Beckham's dad Ted said: "He was very, very upset and he said he was in a lot of pain and that he was in plaster.
"He said he was more upset because of what games were coming up," he told GMTV.
He broke a metatarsal bone in his left foot during Manchester United's 3-2 Champions League win over Deportivo La Coruna on Wednesday.
Irureta denied it was deliberate: "We didn't single Beckham out for special treatment," he said.