Defensive tackle who was selected 13th overall in the 2014 NFL Draft by the St. Louis Rams, who went on to become the Los Angeles Rams. He was named NFL Defensive Player of the Year in 2017 and 2018 and he helped the Rams reach Super Bowl LIII in 2018-19.
He was named All-State Class AAAA during his last two seasons playing for Penn Hills High School.
He won the Outland Trophy for the NCAA's top interior lineman in 2013, while anchoring the University of Pittsburgh defense. He was also named a 2013 AP First Team All-American and the 2013 ACC Defensive Player of the Year.
He was born and raised in Pittsburgh, Pennsylvania.
He became teammates with Ndamukong Suh on the Rams.