Prescott, Cowboys get out of funk, ease past Dolphins 31-6

Team staff assist Miami Dolphins' Allen Hurns (17) off the field after he suffered an unknown injury in the first half of a NFL football game against the Dallas Cowboys in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Michael Ainsworth)

Miami Dolphins quarterback Josh Rosen (3) throws a pass in the second half of an NFL football game against the Dallas Cowboys in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Michael Ainsworth)

Miami Dolphins' Taco Charlton lines up against the Dallas Cowboys in the first half of a NFL football game in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Michael Ainsworth)

Miami Dolphins quarterback Josh Rosen (3) is sacked by Dallas Cowboys defensive end Robert Quinn (58) and defensive tackle Maliek Collins (96) in the second half of an NFL football game in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Ron Jenkins)

Dallas Cowboys running back Tony Pollard (20) runs the ball against the Miami Dolphins in the second half of an NFL football game in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Michael Ainsworth)

Dallas Cowboys running back Ezekiel Elliott (21) celebrates his run for a first down in the second half of an NFL football game against the Miami Dolphins in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Ron Jenkins)

Dallas Cowboys wide receiver Amari Cooper (19) catches a pass for a touchdown in front of Miami Dolphins' Xavien Howard (25) and Bobby McCain (28) in the second half of an NFL football game in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Ron Jenkins)

Dallas Cowboys quarterback Dak Prescott (4) gets past Miami Dolphins defensive back Walt Aikens (35) and into the end zone for a touchdown in the second half of an NFL football game in Arlington, Texas, Sunday, Sept. 22, 2019. (AP Photo/Ron Jenkins)