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Quarterback Philip Rivers #17 of the San Diego Chargers looks to avoid the rush by defensive end Jared Crick #93 of the Houston Texans in the first quarter at Qualcomm Stadium on September 9, 2013 in San Diego, California. (Photo by Jeff Gross/Getty Images) ( 180175568 )

Houston Texans wide receiver Andre Johnson leaps over San Diego Chargers defensive back Richard Marshall during the first half of an NFL football game Monday, Sept. 9, 2013, in San Diego. (AP Photo/Denis Poroy) ( APTOPIX Texans Chargers Football )

Ryan Matthews #24 of the San Diego Chargers celebrates with teammate Antonio Gates #85 after scoring a touchdown against the Houston Texans on September 9, 2013 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images) ( 180176054 )

Houston Texans tight end Owen Daniels left, scores under pressure from San Diego Chargers defensive back Jahleel Addae during the first half of an NFL football game Monday, Sept. 9, 2013, in San Diego. (AP Photo/Denis Poroy) ( Texans Chargers Football )

Houston Texans tight end Owen Daniels can't get his hands on a pass as San Diego Chargers free safety Eric Weddle looks on during the first half of an NFL football game Monday, Sept. 9, 2013, in San Diego. (AP Photo/Denis Poroy) ( Texans Chargers Football )

Running back Ben Tate #44 of the Houston Texans is tackled by linebacker Bront Bird #97 of the San Diego Chargers in the second quarter at Qualcomm Stadium on September 9, 2013 in San Diego, California. (Photo by Jeff Gross/Getty Images) ( 180178178 )

Head coach Mike McCoy of the San Diego Chargers calls out in the first quarter against the Houston Texans at Qualcomm Stadium on September 9, 2013 in San Diego, California. (Photo by Jeff Gross/Getty Images) ( 180174026 )

Ryan Matthews #24 of the San Diego Chargers gets tackled by the Houston Texans on September 9, 2013 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images) ( 180180036 )

Houston Texans quarterback Matt Schaub sits on the bench during the first half of an NFL football game against the San Diego Chargers Monday, Sept. 9, 2013, in San Diego. (AP Photo/Gregory Bull) ( Texans Chargers Football )

Wide receiver Vincent Brown #86 of the San Diego Chargers runs after a catch against cornerback Brice McCain #21 of the Houston Texans in the second quarter at Qualcomm Stadium on September 9, 2013 in San Diego, California. (Photo by Jeff Gross/Getty Images) ( 180178062 )

Ryan Matthews #24 of the San Diego Chargers scores a touchdown against the Houston Texans on September 9, 2013 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images) ( 180176053 )

Andre Johnson #80 of the Houston Texans jumps over Richard Marshall #31 of the San Diego Chargers on September 9, 2013 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images) ( 180180099 )

Matt Schaub #8 of the Houston Texans throws the ball against the San Diego Chargers on September 9, 2013 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images) ( 180176421 )

San Diego Chargers quarterback Philip Rivers, right, throws under pressure from Houston Texans outside linebacker Whitney Mercilus during the first half of an NFL football game Monday, Sept. 9, 2013, in San Diego. (AP Photo/Gregory Bull) ( APTOPIX Texans Chargers Football )

San Diego Chargers quarterback Philip Rivers, right, celebrates a touchdown with Nick Hardwick during the first half of an NFL football game against the Houston Texans Monday, Sept. 9, 2013, in San Diego. (AP Photo/Denis Poroy) ( Texans Chargers Football )

Houston Texans running back Arian Foster drives between San Diego Chargers inside linebacker Donald Butler, left, and defensive end Kendall Reyes during the first half of an NFL football game Monday, Sept. 9, 2013, in San Diego. (AP Photo/Gregory Bull) ( Texans Chargers Football )

San Diego Chargers running back Ryan Mathews, left, scores during the first half of an NFL football game against the Houston Texans Monday, Sept. 9, 2013, in San Diego. (AP Photo/Denis Poroy) ( Texans Chargers Football )

Houston Texans tight end Owen Daniels, left, scores while being defended by San Diego Chargers defensive back Jahleel Addae during the first half of an NFL football game Monday, Sept. 9, 2013, in San Diego. (AP Photo/Gregory Bull) ( Texans Chargers Football )

Eddie Royal #11 of the San Diego Chargers celebrates after getting a first down against the Houston Texans on September 9, 2013 at Qualcomm Stadium in San Diego, California. (Photo by Donald Miralle/Getty Images) ( 180176060 )

Houston Texans free safety Danieal Manning, top, sacks San Diego Chargers quarterback Philip Rivers during the first half of an NFL football game Monday, Sept. 9, 2013, in San Diego. (AP Photo/Denis Poroy) ( Texans Chargers Football )

Members of the National Guard hold up a giant American flag during the National Anthem before in an NFL football game between the San Diego Chargers and the Houston Texans Monday, Sept. 9, 2013, in San Diego. (AP Photo/Chris Carlson) ( Texans Chargers Football )

Houston Texans fans cheers doing warm ups before in an NFL football game against the San Diego Chargers Monday, Sept. 9, 2013, in San Diego. (AP Photo/Gregory Bull) ( Texans Chargers Football )