The arrival of Pelini means LSU will have a different defensive scheme in 2020. The Tigers are moving from a base 3-4 defense to a base 4-3 defense.
Changing a system is always a challenge. There’s new concepts, new terminology and new responsibilities.
Source: Why the biggest concern with Bo Pelini shouldn’t be a concern at all
https://showcase.shareasale.com/shareASale_liveWidget_loader.js?dt=02242019080103
shrsl_ShareASale_liveWid_Init(20554, 1565124, ‘shrsl_ShareASale_liveWid_product12_populate’);

