Intensive & Reflexive Pronoun

All teams in the World Cup themselves wish to win the trophy every four years.

Have you found yourself going a little crazy during a sporting event?

The team had set a high standard for itself by winning the World Cup in 1991 and Olympic gold in 1996.

In 1999 event didn't mark the first time young women proved themselves champions.

I myself went wild when the U.S. women's soccer team won the World Cup in 1999.

Terence and I bought ourselves gliders at the fair.

Which kind of pronoun can you remove from a sentence without changing the meaning of the sentence?

Which of these sentences is correct?

Then both teams found themselves playing in sudden-death overtime and facing a final shootout.

The president himself was there to see the thrilling triumph.

More than 90,000 fans in the Rose Bowl cheered themselves into a frenzy.

The game itself was long and grueling; 120 minutes of play without a score.

Brandi Chastain herself scored the winning penalty kick.