Early injuries to receivers hurting 49ers assessments

Daily 49ers blog for NBC Bay Area website: A.J. Jenkins, Ricardo Lockette, Kyle Williams and Quinton Patton are among the receivers hurt in Niners training camp so far, throwing a cloud over the competition for a starting job. http://www.nbcbayarea.com/news/sports/Niners-Feeling-the-Pain-of-Injured-Receivers-217767811.html