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SAN DIEGO, CA - AUGUST 19: Wide receiver Keenan Allen #13 of the San Diego Chargers makes a leaping catch over defensive back Brandon Williams #26 of the Arizona Cardinals during preseason at Qualcomm Stadium on August 19, 2016 in San Diego, California. (Photo by Stephen Dunn/Getty Images)

SAN DIEGO, CA - AUGUST 19:  Wide receiver Keenan Allen #13 of the San Diego Chargers makes a leaping catch over defensive back Brandon Williams #26 of the Arizona Cardinals during preseason at Qualcomm Stadium on August 19, 2016 in San Diego, California.  (Photo by Stephen Dunn/Getty Images)