The Buffalo Bills defense is already making a major statement at training camp, and the Bills Roundtable is breaking down everything we learned from Day 2.CJ Gardner-Johnson and Cole Bishop have been one of the biggest stories so far. Their communication has looked sharp, their versatility fits perfectly into Jim Leonhard’s new defense, and Gardner-Johnson is already bringing the attitude and edge this unit has been missing. Could this safety duo become one of the biggest strengths on the Bills roster?We also discuss Leonhard’s new 3-4 scheme and how it could unlock Greg Rousseau, Ed Oliver, and the rest of Buffalo’s defensive front. The Bills plan on moving players around, disguising pressure, and giving Rousseau more space to attack opposing quarterbacks.The rookies continue to impress as well. Kaleb Elarms-Orr is taking advantage of extra linebacker reps, Zane Durant recorded two would-be sacks, Jalen Kilgore made multiple plays in coverage, TJ Sanders tipped a pass, and Landon Jackson received work as a 4i defensive lineman.Meanwhile, the Josh Allen and DJ Moore connection keeps getting stronger. Moore found the end zone twice during practice, including a 60-yard touchdown during 7-on-7 drills.Is Buffalo’s defense already ahead of schedule? Are CJ Gardner-Johnson and Cole Bishop the perfect safety combination for Jim Leonhard’s system? Which rookie has impressed you the most through the first two days of training camp?Join the Bills Roundtable as we debate the biggest storylines, position battles, standout performances, and everything happening at Buffalo Bills training camp.