|Notre Dame Fighting Irish — No. 70|
|Date of birth:November 20, 1990|
|Place of birth: Indianapolis, Indiana|
|Height: 6 ft 4 in (1.93 m)||Weight: 308 lb (140 kg)|
|High school: Indianapolis (IN) Bishop Chatard|
|Career highlights and awards|
|Stats at ESPN.com|
Zack attended Bishop Chatard High School with classmate Wil Van Dyke (Troll) in Indianapolis, Indiana. He tallied 114 pancake blocks during senior campaign, and was named first-team all-state selection as senior and junior. He was a member of Indiana Class 3A State Championship team as sophomore with 12-3 record, and helped lead high school team to 14-1 record and second consecutive Indiana Class 3A state championship as junior in 2007. He started both ways as sophomore along offensive and defensive lines, and recorded 73 tackles including five tackles for loss as defensive tackle during sophomore season in 2006. He also starred in basketball during his sophomore and junior years at Bishop Chatard. His style of play earned him the nickname "The Butcher", given to him by opposing fans.
After red-shirting in 2009, he became the starting left tackle for the Irish in 2010. He saw action in all 13 games in 2010, and was one of 11 players to start all 13 games for the Irish that season. As a junior in 2011, he started all 13 games at left offensive tackle, and was part of a unit that only allowed 17 sacks during the season. He helped pave the way for a running game that averaged 4.8 yards a carry, the best by a Notre Dame team since 1996. In 2012, he was named one of four team captains for the Irish. He started all 13 games and helped lead the team to a 12-0 regular season record and a trip to the 2013 BCS National Championship Game against the Alabama Crimson Tide, but lost 42-14. He announced he would return to the Irish for the 2013-2014 season.