Newhouse, 30, is a former fifth-round pick of the Packers back in 2010. He spent three years with the Packers before signing a one-year contract with the Bengals back in March of 2013.
Newhouse spent a few years with the Giants before agreeing to a two-year, $3.5 million contract $1.55 million in 2017. He was set to make a base salary of $1.55 million for the 2018 season when the Raiders released him.
The Bills later signed Newhouse to a contract. After three games, the Bills traded Newhouse to the Panthers for a conditional 2021 seventh-round pick.
In 2018, Newhouse was active in 11 games for the Panthers and started two.
Groy, 28, originally signed on with the Bears as an undrafted free agent out of Wisconsin back in 2014. The Bears later traded Groy to the Patriots for Matt Wells, but he didn’t last long in New England.
Groy played briefly for the Buccaneers before the Bills signed him to their roster during the 2015 season. Buffalo tendered him as a restricted free agent, then matched a two-year, $5 million deal from the Rams.
In 2018, Groy was active for 15 games and started six for the Bills.
Newton, 31, is a former seventh-round pick of the Texans back in 2011. He was entering the third year of his five-year, $26.5 million contract when the Texans released him.
The Saints signed Newton to a contract last year.
In 2016, Newton appeared in six games for the Texans and was rated by Pro Football Focus as the No. 47 offensive tackle out of 78 qualifying players.