Buffalo Bills 2026 NFL training camp is underway and will be watched under a microscope each and every day. Especially with the hiring of Joe Brady as the team's new head coach.Throughout practices each day, updates are shared during the workouts which make for intriguing and important notes.In terms of Day 4 of training camp, what stood out the most?Here are Bills Wire's three observations from the fourth day of training camp:CJ replacementThere was no timetable given, but Brady gave a positive spin on the C.J. Gardner-Johnson injury so his season is not over. But without him, who would be up next with the first-team defense alongside Cole Bishop? On Day 4, it was Damar Hamlin. Damar Hamlin in with Cole Bishop to start 11 on 11 .. Off target throw from Josh Allen pic.twitter.com/DfnX4PmQCd alex brasky (@alexbrasky) August 3, 2026Kincaid has a dayIt was not a perfect day for the Bills offense. However, there was plenty of praise for tight end Dalton Kincaid after a few big plays he made on passes from quarterback Josh Allen like these: Dalton KinCATCH. pic.twitter.com/hMEY9VLnyT Buffalo Bills (@BuffaloBills) August 3, 2026Josh Allen to Dalton Kincaid TD. Dont forget about these two. The connection starting to come alive pic.twitter.com/q7pi5RLral alex brasky (@alexbrasky) August 3, 2026Dawkins finds the end zoneAnd it would be a shame to not mention this one. Big man touchdown? Yup, thanks to Dion Dawkins: Ball tipped high in the air....TOUCHDOWN DION DAWKINS!! pic.twitter.com/ki4H2Guvjx alex brasky (@alexbrasky) August 3, 2026This article originally appeared on Bills Wire: 3 takeaways from Day 4 of Bills camp: CJ Gardner-Johnson replacement?