NAU will have quite a few defensive holes to plug after losing five starters .
Senior linebacker Jake Thomas ( 68 tackles , 4.5 sacks in 2015 ) will provide stability for a unit that allowed nearly 475 yards per game in total offense last season .
NAU will have quite a few defensive holes to plug after losing five starters , but senior linebacker Jake Thomas ( 68 tackles , 4.5 sacks in 2015 ) will provide stability for a unit that allowed nearly 475 yards per game in total offense last season .