Dallas Cowboys running back Rod Smith (45) motions for a first down against the New York Giants during the first quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys running back Alfred Morris (46) runs the ball against the New York Giants during the first quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys running back Rod Smith (45) runs the ball against the New York Giants during the first quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys quarterback Zac Dysert (4) runs the ball against the New York Giants during the second quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys wide receiver Dez Bryant (88) runs for a touchdown against the New York Giants during the second quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

New York Giants tight end Rhett Ellison (85) comes down with a pass for a touchdown against Dallas Cowboys strong safety Xavier Woods (25) during the second quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

New York Giants tight end Rhett Ellison (85) celebrates with tight end Evan Engram (88) after scoring a touchdown against the Dallas Cowboys during the second quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

New York Giants tight end Evan Engram (88) is tackled by Dallas Cowboys strong safety Jeff Heath (38) during the second quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys running back Rod Smith (45) tries to avoid a tackle from New York Giants defensive tackle Damon Harrison (98) during the third quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys running back Alfred Morris (46) stiff-arms New York Giants free safety Darian Thompson (27) during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys tight end Jason Witten (82) makes a catch for a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Dallas Cowboys tight end Geoff Swaim (87) celebrates with Dallas Cowboys wide receiver Dez Bryant (88) after scoring a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Dallas Cowboys running back Rod Smith (45) runs for a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys running back Rod Smith (45) reacts after scoring a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys wide receiver Cole Beasley (11) runs the ball deep for a first down against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Giants quarterback Eli Manning (10) greets Dallas Cowboys quarterback Dak Prescott (4) after an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. The Cowboys won 30-10. (AP Photo/Adam Hunger)

New York Giants wide receiver Roger Lewis (18) tries to avoid Dallas Cowboys cornerback Jourdan Lewis (27) during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. The Cowboys won 30-10. (AP Photo/Adam Hunger)

New York Giants interim head coach Steve Spagnuolo walks off the field after an NFL football game against the Dallas Cowboys, Sunday, Dec. 10, 2017, in East Rutherford, N.J. The Cowboys won 30-10. (AP Photo/Bill Kostroun)

Dallas Cowboys quarterback Dak Prescott (4) celebrates after beating the New York Giants 30-10 in an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Dallas Cowboys running back Rod Smith (45) celebrates after scoring a touchdown against the New York Giants during the fourth quarter NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys running back Rod Smith (45) reacts after scoring a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys running back Rod Smith (45) celebrates with fullback Keith Smith (41) after scoring a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys wide receiver Dez Bryant (88) celebrates after scoring a touchdown against the New York Giants during an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys wide receiver Dez Bryant (88) runs the ball in for a touchdown against the New York Giants during the first half of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)

Dallas Cowboys outside linebacker Jaylon Smith (54) and running back Rod Smith (45) celebrate after Rod Smith scored a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. The Cowboys won 30-10.(AP Photo/Adam Hunger)

Dallas Cowboys running back Rod Smith (45) runs for a touchdown against the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. The Cowboys won 30-10.(AP Photo/Adam Hunger)

Dallas Cowboys middle linebacker Sean Lee (50) runs the ball after intercepting a pass from the New York Giants during the fourth quarter of an NFL football game, Sunday, Dec. 10, 2017, in East Rutherford, N.J. The Cowboys won 30-10.(AP Photo/Adam Hunger)

Dallas Cowboys head coach Jason Garrett applauds between plays during the second quarter of an NFL football game against the New York Giants, Sunday, Dec. 10, 2017, in East Rutherford, N.J. (AP Photo/Adam Hunger)