The Dallas Cowboys lost their preseason opener 24-21 Thursday night at San Francisco.
The Cowboys gave up the lead for the first time in the game on Nick Mullens’ 7-yard touchdown pass to Richie James Jr. with 18 seconds left.
Cowboys quarterback Dak Prescott played one series, completing all three of his passes for 39 yards, including a 30-yard touchdown to rookie Michael Gallup to cap a 10-play, 75 yard drive. Prescott added a 12-run on his only carry.
Niners quarterback Jimmy Garoppolo was 3 of 6 for 34 yards in his only series.
Cowboys veterans Zeke Elliott and Cole Beasley did not play.