Updated Sep 13, 2015 at 2:04p ET
For the majority of the 2015 preseason, Washington Redskins wide receiver DeSean Jackson was out with a shoulder injury after running into a blocking sled at practice. On a late first quarter go route down the right sideline, Jackson pulled up lame on an overthrown pass from quarterback Kirk Cousins.
Jackson was seen on the sideline being stretched out by trainers before heading to the locker room. After being evaluated by team doctors, Jackson has been ruled out for the remainder of Week 1 with a hamstring injury.
The Redskins will move forward with Pierre Garcon, Andre Roberts and a combination of Jamison Crowder and Ryan Grant. The Redskins have held a 3-0 lead midway through the third quarter thanks to a strong showing from their defense and the ability to open up passing plays via the run.