Stats in 2013: Appeared in 11 games, started two, and picked up six tackles. He started the season-opener vs. McNeese State and posted a career-best four tackles.
Where was he on the 2013 Depth Chart: Number two middle linebacker behind DeDe Lattimore.
How did he Come to USF: Bullock came from Sebring High School, where he was a standout for three seasons at linebacker. In his senior year in 2010, Zack had 45 tackles, four sacks, 22 pressures, and forced four fumbles. He chose USF over Iowa State and Western Kentucky.
Recruiting Rankings: Bullock got two stars from Scout, three stars from Rivals, and three stars from 247.
Projected Playing Time: With the departure of DeDe Lattimore, the MIKE spot is up for grabs. Bullock will have to compete with Auggie Sanchez, LeGrande Harley, and Nick Holman among others for a spot though.
Fun Fact: Also played basketball in high school.