WATCH: Dak Prescott can beat you through the air or on the ground

The Cowboys rookie backup quarterback continues to impress in his second preseason game

With rookie Cowboys quarterback Dak Prescott throwing touchdowns like he's a future Hall of Famer, it's easy to forget that he was an adept runner in college. He reminded us of that fact during the second quarter of Dallas' Week 2 preseason game against Miami:

Dak Prescott continues his hot streak...

This time showing off his legs on a 20-yard TD run! 😮 #MIAvsDALhttps://t.co/v7dOKztKnR

— NFL (@NFL) August 20, 2016

Third-and-10 from the 20? Not a problem -- Prescott saunters into the end zone untouched. In three series of work, the rookie fourth-rounder is 6 of 6 for 99 yards, including a 28-yard touchdown pass to Dez Bryant.

You can follow all the action in the Dolphins-Cowboys game with the CBSSports GameTracker.