Dysert, 25, is a former seventh-round pick of the Broncos back in 2013. He was placed on waivers by the Broncos at the start of the 2014 season, but they later added him to their practice squad.
The Bears claimed Dysert off of waivers a few weeks ago, but he was among their final roster cuts at the start of the season.
Since then, Dysert returned to the Texans, but was on and off of their practice squad before being cut loose a few weeks ago.
Dysert has yet to appear in a regular season NFL game.
Little, 26, is a former second round pick of the Browns back in 2011. He spent three season in Cleveland before he was cut and later claimed off of waivers by the Raiders. The Bengals would later take a shot on him in October of last year.
However, he was cut loose by Cincinnati before the start of free agency. The Bengals elected to bring him back at the end of July.
In 2014, Little appeared in six games and recorded six receptions for 69 yards receiving.