The 4-2-5 Defense features four defensive linemen, two inside linebackers, and five defensive backs ( 2 CBs, 1 FS, and 2 OLB/S hybrids which we call Dogs). First off, the overhang / hybrid OLB/S player isn’t a true defensive back- he is a combination of a linebacker and safety.
Differences. In a 4-3 defense, there are four linemen and three linebackers. In a 3-4 defense, there are three linemen and four linebackers. The difference between a 4-3 defense and a 3-4 defense is based on the number of defensive linemen and linebackers positioned on the field.
NFL teams that use the 4–3 defense as of 2019 include the Washington Football Team, Atlanta Falcons, Minnesota Vikings, Jacksonville Jaguars, Cincinnati Bengals, Las Vegas Raiders, Detroit Lions, Cleveland Browns, Seattle Seahawks, Buffalo Bills, Philadelphia Eagles, Los Angeles Chargers, New Orleans Saints, San