There wasn't much sign of the Washington Commanders' star quarterback at practice this week. He's officially been ruled out, which brings veteran backup Marcus Mariota firmly under the microscope. The former Oregon star wasn't planning to play all that much, but he's always ready when his number is called. Commanders have utmost confidence in Marcus Mariota if Jayden Daniels can't goThis was a sentiment echoed by offensive coordinator Kliff Kingsbury, who praised Mariota's professionalism and ability to step into the breach seamlessly. "Anytime he's asked to play or practice or even on scout team, he's been phenomenal.