It was a great USO Tour for San Francisco 49ers tight end Vernon Davis, Cleveland Browns offensive tackle Joe Thomas, Houston Texans defensive end Mario Williams, and Dallas Cowboys tight end Jason Witten.

Troops pour into the USO Pat Tillman Center for a chance to meet with NFL Pro Bowlers Vernon Davis-San Francisco 49ers, Joe Thomas-Cleveland Browns, Mario Williams-Houston Texans and Jason Witten-Dallas Cowboys, March 5, 2010.
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Troops pour into the USO Pat Tillman Center for a chance to meet with NFL Pro Bowlers Vernon Davis-San Francisco 49ers, Joe Thomas-Cleveland Browns, Mario Williams-Houston Texans and Jason Witten-Dallas Cowboys, March 5, 2010.

San Francisco 49ers Vernon Davis shares an intimate moment with this group of Marines, March 6, 2010. Davis recently participated in his first USO tour and was joined by fellow NFL All-Stars Cleveland Browns Joe Thomas, Houston Texans Mario Williams and Dallas Cowboys Jason Witten.
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San Francisco 49ers Vernon Davis shares an intimate moment with this group of Marines, March 6, 2010. Davis recently participated in his first USO tour and was joined by fellow NFL All-Stars Cleveland Browns Joe Thomas, Houston Texans Mario Williams and Dallas Cowboys Jason Witten.

(L-R) Houston Texans Mario Williams, Dallas Cowboys Jason Witten, San Francisco 49ers Vernon Davis and Cleveland Browns Joe Thomas pose in front of the USO Pat Tillman Center, March 5, 2010.
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(L-R) Houston Texans Mario Williams, Dallas Cowboys Jason Witten, San Francisco 49ers Vernon Davis and Cleveland Browns Joe Thomas pose in front of the USO Pat Tillman Center, March 5, 2010.

NFL All-Star player Mario Williams - Houston Texans signs autographs at this patriotically decorated Forward Operating Base (FOB), March 7, 2010. Williams recently participated in his first USO tour, on a mission to boost troop morale the All-Star player trekked throughout the Persian Gulf and signed autographs, posed for photos and spent time with our nation’s finest.
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NFL All-Star player Mario Williams - Houston Texans signs autographs at this patriotically decorated Forward Operating Base (FOB), March 7, 2010. Williams recently participated in his first USO tour, on a mission to boost troop morale the All-Star player trekked throughout the Persian Gulf and signed autographs, posed for photos and spent time with our nation’s finest.

NFL All-Stars (L-R) Dallas Cowboys Jason Witten, Cleveland Browns Joe Thomas, Houston Texans Mario Williams and San Francisco 49ers Vernon Davis pose with troops, March 6, 2010. The four players recently took part in their first USO tour.
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NFL All-Stars (L-R) Dallas Cowboys Jason Witten, Cleveland Browns Joe Thomas, Houston Texans Mario Williams and San Francisco 49ers Vernon Davis pose with troops, March 6, 2010. The four players recently took part in their first USO tour.

San Francisco 49ers Vernon Davis signs autographs for troops, also on-hand were members of the ANA (Afghanistan National Army)®, March 7, 2010. Davis recently took part in his first USO tour and was joined by fellow NFL players Joe Thomas-Cleveland Browns, Mario Williams-Houston Texans and Jason Witten-Dallas Cowboys.
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San Francisco 49ers Vernon Davis signs autographs for troops, also on-hand were members of the ANA (Afghanistan National Army)®, March 7, 2010. Davis recently took part in his first USO tour and was joined by fellow NFL players Joe Thomas-Cleveland Browns, Mario Williams-Houston Texans and Jason Witten-Dallas Cowboys.