Green was named first-team All-State as a senior after recording 113 tackles, including 33 for a loss, 15 sacks and four forced fumbles as Peoria won the 2016 IHSA 5A state championship.

[2] Green redshirted his true freshman season and moved from defensive tackle to offensive line.

[4] He started all of Illinois' games at left guard again in his redshirt sophomore season and was named honorable mention All-Big Ten Conference as well as an honorable mention All-American by Pro Football Focus (PFF).

At the conclusion of the NFL preseason, head coach Mike Tomlin officially named Green the Steelers' starting center.

Green made his first career start and NFL debut in the Steelers' Week 1 victory over the Buffalo Bills.