Mariota (knee) has been ruled out for the remainder of Sunday's game against the Colts in London, Tashan Reed of The Washington Post reports.
Analysis:Mariota left the game midway through the first quarter, after he appeared to injure his right knee on a sack. With Jayden Daniels (elbow) inactive for a second straight game and with Mariota -- who previously dealt with an MCL sprain in the same knee during the preseason -- set to miss the final two quarters of Sunday's contest, rookie seventh-round pick Athan Kaliakmanis will be the lone healthy quarterback available for Washington. Mariota will finish Week 4 with three completions on four attempts for 46 yards and one carry for 35 yards.
