Jackson was hurt when he landed on his shoulder after catching a pass during a joint workout with the Houston Texans .
DeSean Jackson : Jackson will miss 1 - 2 weeks after spraining the acromioclavicular joint in his right shoulder .
Jackson was hurt when Jackson landed on Jackson 's shoulder after catching a pass during a joint workout with the Houston Texans .
DeSean Jackson : Jackson will miss 1 - 2 weeks after spraining the acromioclavicular joint in his right shoulder .