KANSAS CITY L.J. Collier Jersey , Mo. (AP) — to compete for a backup job, has decided to retire after four seasons with Buffalo and one season with Oakland.Manuel was the 16th overall pick of the Bills in the 2013 draft, going 6-11 while struggling to live up to expectations. He’d been Derek Carr’s backup the past two seasons with the Raiders.His retirement was part of a series of roster moves the Chiefs made Monday.The Chiefs signed wide receiver Rashard Davis, running back Marcus Marshall, tight end Jody Fortson and defensive backs Herb Miller and Andrew Soroh. They also claimed offensive tackle Zach Golditch off waivers from Arizona while waiving wide receivers Andre Lindsey and Sammie Coates, defensive backs Leon McQuay and Dakari Moore and fullback JD Moore.Tight end Tim Ward was placed on the non-football injury list while wide receiver Jamire Jordan Marquise Blair Jersey , an undrafted free agent from Fresno State, was placed on injured reserve. The 2018-19 NFL season is officially underway, and so far it has been a thrilling one. From Tampa Bay Buccaneers quarterback Ryan Fitzpatrick's sudden (if temporary?) rise to stardom throughout the first few weeks of the season to Kansas City Chiefs quarterback Patrick Mahomes' stunning performances throughout the first weeks, this season has kicked off with a bang.In the AFC, the Cincinnati Bengals, Miami Dolphins, Kansas City Chiefs D.K. Metcalf Jersey , Jacksonville Jaguars all jumped out to early leads in their conference. Also in the AFC, the Cleveland Browns snapped their 635-day streak without a win, picking up a Week 3 win over the New York Jets 21-17. As mentioned above, Patrick Mahomes has been the star of the conference, leading the Kansas City Chiefs to the top of the conference with 13 TDs and no INTs.In the NFC, the Los Angeles Rams have cemented their place atop their conference. The Buccaneers, led by Ryan Fitzpatrick who threw for over 400 yards in 3 straight weeks Cody Barton Jersey , are enjoying one of the best starts to the season in nearly a decade, even if they did lose in Week 3 to the Steelers.With the NFL season underway, we're counting down which player every NFL team should consider dropping before the end of the season, taking into account their player efficiency rating when applicable, salary in relation to the cap room, and statistics from past seasons counting down by team based on last season's standings.