Until Friday, the North American neighbors had been mum on their plans since officially expressing interest in April. See which other countries are in the running.
The Qatar World Cup was the first ever winter edition of the competition – and Argentina ran out winners after a remarkable final against France.
The U.S. and Mexico formally submitted their bid on Friday.
PREMIER LEAGUE PREVIEW: Both clubs have been guilty of overspending in the transfer market and underwhelming on the pitch in recent seasons. But they are going in different directions ahead of their meeting at Goodison Park on Sunday, writes Richard Jolly
Erik ten Hag has told Marcus Rashford to follow the example of Harry Maguire and Scott McTominay by recovering his form and forcing his way back into the Manchester United team.