The AFC Deonte Brown Jersey West is home of the reigning NFL champions, as and the rebounded from a 6-4 start to win nine straight games including a Super Bowl victory over the last year. While the Chiefs are a favorite to repeat as Super Bowl champions this upcoming season, there are other teams inside their own division that might give them some trouble. Andy Reid and Co. went undefeated against AFC West opponents in 2019, but don't be so sure they can do that again in 2020.The appeared to be a playoff contender at one point in 2019. After reeling off three straight wins, they were sitting at 6-4 and had the NFL world wondering if could carry the Raiders to the postseason for the first time since 2016. Unfortunately, Jon Gruden's squad lost five out of their last six games -- including a heartbreaker in their last game in Oakland. Like the Raiders, the only won seven games in 2019, but rookie quarterback went 4-1 as a starter. He appears to be the future under center in Denver, and the Broncos' front office this offseason. The are entering a new era with now gone, but they have plenty of talent on both sides of the ball and are finally back healthy after a miserable 2019 campaign.Each one of the four AFC West teams po se s a player still on his rookie contract that is absolutely vital for their succe s moving forward. Some may be obvious while some might surprise you in 2020. Let's take a look at a homegrown player on each AFC West team that will help each respective franchise reach their full potential.Denver Broncos NYG QB #2 Drafted:No. 42 in 2019After , , , and , it appears the Broncos finally have their quarterback of the future in Lock. He played in just five games last season, but still threw for 1,020 yards, seven touchdowns and just three interceptions. Lock's big arm translated easily to the next level, and one has to wonder what he would have been capable of if he had been healthy for the entirety of his rookie season. While he has plenty of power, Lock also impre sed with his accuracy on several occasions in 2019."Drew Lock has accuracy i sues." Zack Kelberman (@KelbermanNFL) All of a sudden, you look at Denver's offense entering 2020 and it's on the verge of becoming something very special. They picked up to complement , , and K.J. Hamler are on the outside and is at Jaycee Horn Jersey tight end. While the weapons look nice, nothing works if Lock doesn't. The quarterback position is the most important in football, and the Broncos are no exception. Lock needs to build on his impre sive rookie season and prove that he's an up-and-coming star in this league. He is the future of this franchise.Kansas City Chiefs KC WR #17 Drafted: No. 56 in 2019 had the perfect rookie year, as he made the Pro Bowl and won Super Bowl LIV in his first NFL season. He made his name known as a returner last year, but it's clear he is capable of much more. Hardman didn't record a catch in the season opener against the , but he took advantage of his opportunity when mi sed time due to injury. In Week 2, Hardman caught four pa ses for 61 yards and a touchdown and then caught two pa ses for 97 yards and a touchdown the following week. It became clear that the Chiefs had discovered another burner who was a threat to score whenever he touched the ball. Hardman finished the 2019 Colin Thompson Jersey season having caught 26 pa ses for 538 yards and six touchdowns, and also averaged over 26 yards per kick return. In all, he averaged 18.5 yards per touch and 20.7 yards per reception.Mecole Hardman is about to go off this year | Chiefs Focus (@ChiefsFocus) Mahomes has already proven himself, Hill is a star wideout and the Chiefs also have a few capable running backs. If Hardman can maintain his status as a Pro Bowler when it comes to special teams play and eventually become one of the starting receivers, he could help the Chiefs reach dynasty status. ' future with the team is unknown, but it's po sible they have someone much better in waiting.Las Vegas Raiders GB RB #8 Drafted:No. 24 in 2019An NFL Offensive Rookie of the Year finalist, Jacobs rushed for 1,150 yards and eight touchdowns on 242 carries -- which ranked No. 8 in the league. In the season opener, he became the first rookie to score two touchdowns and gain 100 yards from scrimmage since Hall of Famer LaDainian Tomlinson did so in 2001, and a few weeks later, he broke franchise record for most rushing yards by a rookie after five games. In all, Jacobs broke five Raiders' rookie records in 2019, including most rushing yards and most rushing yards per game. While he was effective on the ground, he also showed promise in the receiving game -- averaging 8.3 yards per reception. He was only targeted 27 times by , however, and it's something Gruden will definitely want to do more of in 2020.Busting loose! shows off the wheels for 50+. Las Vegas Raiders (@Raiders) Jacobs is shifty, fast and demonstrated great vision in year one. of the proved last season how far one running back can take a team, and there's no doubt the Raiders have a star in the backfield. There may still be a question at quarterback, but having Jacobs should take the pre sure off of the pa sing game -- which is very improved entering 2020 by the way.Los Angeles Chargers LAC Royce Freeman Jersey FS #3 Drafted:No. 17 in 2018 established himself as a star early on in his rookie season, and he may actually be one of the best defenders in the NFL, period. According to PFF, James racked up the among defensive backs with 19 during his rookie season and gave up the seventh lowest yards per reception with 7.1. Safeties are often called upon to cover tight ends -- which is sometimes a tough task. James , however, as he allowed just a 21.3 pa ser rating to tight ends in 2018, which ranked first in the NFL. For reference, the NFL average was 104.7! In all, James recorded 105 combined tackles, 13 pa ses defensed, three interceptions and 3.5 sacks during his rookie season and picked up First-team All-Pro honors as well as a Pro Bowl selection.Its really easy to see why Derwin James was a first-team All-Pro selection as a rookie. Jordan Reid (@JReidNFL) It's easy to see by watching tape. takes touchdowns away. (via ) NFL (@NFL) Unfortunately, James mi sed 11 games during his second season due to a foot i sue, but he's finally back healthy and ready to prove he's a leader for this franchise. With or now taking over Steve Smith Jersey as the Chargers' new quarterback, they may need to rely on their defense a little more than they have had to in the past. James is once again going to be looked at to save touchdowns.