Prescott worked with the Cowboys ' first - team offense .
Prescott completed 10 of 12 passes for 139 yards and two touchdowns in one half of action , though Dallas would lose the game 28 - 24 .
Working with the Cowboys ' first - team offense , Prescott completed 10 of 12 passes for 139 yards and two touchdowns in one half of action , though Dallas would lose the game 28 - 24 .