Schaefering played at Lindenwood University in St. Charles, Missouri for his senior year in 2007, after transferring from the Fighting Illini.
Schaefering was 6-4¾ and weighed 286 when measured at his NFL Pro Day workout and ran a 4.85 forty-yard dash and did 18 reps of 225 pounds, and a 34½ vertical jump.
Schaefering was re-signed by the Cleveland Browns on August 25, 2009, after wide receiver and former Jets teammate Paul Raymond was waived.
[1] Schaefering was promoted to the active roster on December 2, when Shaun Rogers was put on the injured reserve list.
[5] On December 12, 2012, he was signed by the Dallas Cowboys, reuniting with defensive coordinator Rob Ryan who held the same position when Schaefering was with the Cleveland Browns.
He was signed to replace Josh Brent, who left the team to focus on the charges he was facing for the death of Jerry Brown.