DAL at SF 2016-10-02

Dallas Cowboys quarterback Dak Prescott (4) passes against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

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Cowboys 49ers Football - Dak Prescott

Dallas Cowboys quarterback Dak Prescott (4) passes against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

Dallas Cowboys wide receiver Terrance Williams (83) celebrates after catching a touchdown pass against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

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Cowboys 49ers Football - Terrance Williams

Dallas Cowboys wide receiver Terrance Williams (83) celebrates after catching a touchdown pass against the San Francisco 49ers during the first half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers quarterback Colin Kaepernick (7) stands on the sideline during the first half of an NFL football game against the Dallas Cowboys in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Ben Margot)

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Cowboys 49ers Football - Colin Kaepernick

San Francisco 49ers quarterback Colin Kaepernick (7) stands on the sideline during the first half of an NFL football game against the Dallas Cowboys in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Ben Margot)

Dallas Cowboys tight end Jason Witten (82) is tackled by San Francisco 49ers strong safety Antoine Bethea (41) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

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Cowboys 49ers Football - Jason Witten, Antoine Bethea

Dallas Cowboys tight end Jason Witten (82) is tackled by San Francisco 49ers strong safety Antoine Bethea (41) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

Dallas Cowboys running back Ezekiel Elliott (21) is tackled by San Francisco 49ers nose tackle Mike Purcell (64), linebacker NaVorro Bowman (53) and strong safety Antoine Bethea (41) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

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Cowboys 49ers Football - Ezekiel Elliott, NaVorro Bowman, Mike Purcell, Antoine Bethea

Dallas Cowboys running back Ezekiel Elliott (21) is tackled by San Francisco 49ers nose tackle Mike Purcell (64), linebacker NaVorro Bowman (53) and strong safety Antoine Bethea (41) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

Dallas Cowboys running back Ezekiel Elliott (21) celebrates with center Travis Frederick (72) after running for a touchdown against the San Francisco 49ers during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

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Cowboys 49ers Football - Ezekiel Elliott, Travis Frederick

Dallas Cowboys running back Ezekiel Elliott (21) celebrates with center Travis Frederick (72) after running for a touchdown against the San Francisco 49ers during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

Dallas Cowboys running back Ezekiel Elliott (21) runs against the San Francisco 49ers during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

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Cowboys 49ers Football - Ezekiel Elliott

Dallas Cowboys running back Ezekiel Elliott (21) runs against the San Francisco 49ers during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

Dallas Cowboys cornerback Morris Claiborne (24) runs with an interception in front of San Francisco 49ers wide receiver Torrey Smith (82) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Ben Margot)

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Cowboys 49ers Football - Morris Claiborne, Torrey Smith

Dallas Cowboys cornerback Morris Claiborne (24) runs with an interception in front of San Francisco 49ers wide receiver Torrey Smith (82) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Ben Margot)

Dallas Cowboys tight end Jason Witten (82) runs against San Francisco 49ers strong safety Antoine Bethea (41) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Ben Margot)

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Cowboys 49ers Football - Antoine Bethea, Jason Witten

Dallas Cowboys tight end Jason Witten (82) runs against San Francisco 49ers strong safety Antoine Bethea (41) during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Ben Margot)

Dallas Cowboys running back Ezekiel Elliott (21) celebrates after running for a first down against the San Francisco 49ers during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)

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Cowboys 49ers Football - Ezekiel Elliott

Dallas Cowboys running back Ezekiel Elliott (21) celebrates after running for a first down against the San Francisco 49ers during the second half of an NFL football game in Santa Clara, Calif., Sunday, Oct. 2, 2016. (AP Photo/Marcio Jose Sanchez)