The Carolina Panthers signed offensive tackles Tony Hills and Davonte Wallace to contracts on Tuesday, according to the NFL transactions release.
To make room for the new additions, the Panthers also placed RB Darrin Reaves on waivers.
Hills, 30, is a former fourth round pick of the Steelers back in 2008. He spent two years in Pittsburgh before brief stops with the Broncos, Colts, Bills, Raiders, Dolphins and Cowboys.
Last year, Hills appeared in three games for the Cowboys, but played a total of five snaps, according to Pro Football Focus.
Reaves, 22, was in the final year of his rookie contract and would have made a base salary of $510,000 for the 2015 season.
In 2014, Reaves appeared in six games and ran for 77 yards on 32 carries (2.4 YPC) to go along with five receptions for 31 yards receiving and no touchdowns.