Veldheer, 31, is a veteran of nine NFL seasons with the Oakland Raiders (2010-13), Arizona Cardinals (2014-17) and Denver Broncos (2018). The 6-foot-8, 321-pounder originally entered the NFL as a third-round draft pick (69th overall) by Oakland out of Hillsdale College in the 2010 NFL Draft. After four seasons with the Raiders, Veldheer was signed by Arizona as an unrestricted free agent on March 12, 2014. He was traded by Arizona to Denver on March 23, 2018.

Veldheer has played in 118 regular-season games with 113 starts and has started in three postseason games. He has started games at left tackle, right tackle and center during his career. Last season with Denver he played in and started in 12 games at right tackle.

Anderson, 23, signed with the Patriots as a rookie free agent out of Texas on May 2, 2019. The 6-foot-5, 300-pounder finished his college career at Texas after starting for three seasons at Rice. Anderson was a graduate transfer to Texas, graduating with a degree in economics from Rice. He started in all 14 games at left tackle for Texas in 2018 and was named honorable mention All-Big 12.