Seattle Seahawks QB Russell Wilson offered his support. "Praying for all the people in Houston... Healing is on the way!" he wrote on Twitter.
The game will be played June 10th in Cologne.
Other celebrity notables include Taylor Swift, Shakira and Ellen DeGeneres.
The "Atonement" star has reportedly welcomed her first child.
Marcus Mariota never had to worry about huddling up to call plays at Oregon — he and the Ducks simply glanced to the sideline for what to run next.