A round up of Preseason action ahead of the 2013 NFL season.
16 of 25
San Francisco 49ers D.J. Harper (36 fumbles as he is hit by Denver Broncos Nate Irving (56) in the second quarter at Candlestick Park in San Francisco on August 8, 2013. The Broncos defeated the 49ers 10-6. UPI/Terry Schmitt
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