NFL Nation reporters give the rookie classes for all 32 teams a grade and pick the best, most improved and most disappointing rookies of the season. Click the links after each team to view the full posts.Grade: ADallas Cowboys:?The Cowboys are looking at one of their best draft classes. Much of the focus is on Ezekiel Elliott and Dak Prescott, but they have received better-than-expected contributions from?others.?Read more.Grade: A-minusNew York Giants:?The Giants have leaned heavily on their rookie class, including starting four of its members Sunday night against Dallas. Wide receiver Sterling Shepard has evolved into the teams No. 2 target.?Read more.San Diego Chargers:?Selected No. 3 overall, defensive end Joey Bosa was a surprise pick by the Chargers. He has 5.5 sacks in eight games and has been a key contributor to San Diegos stout run defense.?Read more.Grade: B-plusBaltimore Ravens:?The Ravens recent drafts havent lived up to the franchises gold standard. But the 2016 class is making an immediate impact and is a big reason why they are in the thick of the playoff race.?Read more.Chicago Bears:?The Bears season went off the rails weeks ago, but the organization can take solace in the rookie class. Six rookies have started games, and three have all but locked up starting jobs for 2017.?Read more.Denver Broncos:?All eight players in the Broncos draft class made the 53-man roster, and running back Devontae Booker, who is now the teams primary back, is leading the way.?Read more.Kansas City Chiefs:?The Chiefs rookie class has been better than expected, and second-round defensive lineman?Chris Jones and fifth-round wide receiver Tyreek Hill both have made a major impact.?Read more.New Orleans Saints:?The Saints appear to have hit on both of their 2016 second-rounders, and this class has the potential to become one of the strongest draft classes in the Sean Payton-Mickey Loomis era.?Read more.Oakland Raiders:?The Raiders had 14 rookies on their 53-man roster entering Game 13, including all seven draft picks. In fact, five of the seven picks have started at least two games.?Read more.Pittsburgh Steelers:?That early-1970s Steelers defensive lineup was harder to crack, but what corner Artie Burns, safety Sean Davis and defensive tackle Javon Hargrave are doing is still quite impressive.?Read more.Grade: BBuffalo Bills:?The Bills rookie class has been the NFLs toughest to evaluate because of injuries to first-round pick Shaq Lawson and second-round pick Reggie Ragland.?Read more.Detroit Lions:?Bob Quinns first draft class as Lions general manager featured a lot of linemen, a backup quarterback for the future and a long-snapper. But so far, it has been a pretty strong.?Read more.Indianapolis Colts:?The Colts went into the draft needing to improve their offensive line, and they picked four linemen. Two of them -- Ryan Kelly and Joe Haeg -- have been fixtures in the starting lineup.?Read more.Jacksonville Jaguars:?It looks as if theres at least one future Pro Bowler, potentially a double-digit sack guy, and at least two other starters among the Jaguars top four picks.?Read more.Miami Dolphins:?The Dolphins are in playoff contention, partially because of immediate production from their rookie class, including first-round pick Laremy Tunsil and third-round pick Kenyan Drake.?Read more.New England Patriots:?The Patriots didnt have a first-round pick, but third-rounder Joe Thuney was inserted into the starting lineup at left guard on Day 1 of?spring practices and hasnt moved off the spot.?Read more.Philadelphia Eagles:?Its no secret that the Eagles class will be defined by the career of Carson Wentz. The next decade will be largely shaped by their decision to aggressively move up to secure the No. 2 pick.?Read more.Tampa Bay Buccaneers:?The Buccaneers are not only getting significant contributions from their rookie class this season, but these players are a big reason for the teams turnaround -- particularly on defense.?Read more.Grade: B-minusNew York Jets:?General manager Mike Maccagnans second draft has a chance to get better with age, but its short on star power. The wild card is quarterback Christian Hackenberg.?Read more.San Francisco 49ers:?The results have been mixed, with three members of the class looking like potential long-term starters, another flashing some upside and three already gone from the organization.?Read more.Tennessee Titans:?GM Jon Robinsons first draft class produced two starters, one regular contributor, one capable player stuck behind an excellent starter and one guy whos getting a late-season look.?Read more.Grade: C-plusAtlanta Falcons:?Three of the Falcons top four picks -- first-rounder Keanu Neal, second-rounder Deion Jones and fourth-rounder DeVondre Campbell -- are starters on defense.?Read more.Cincinnati Bengals:?While the Bengals rookies could prove to be valuable down the road, theyre mostly a cast of unknowns at this point. Thats nothing new for Cincinnati.?Read more.Grade: CHouston Texans:?Aside from glimpses of potential from the Texans first and last picks, the rookie class has not been a major contributor through 12 games.?Read more.Seattle Seahawks:?First-round pick Germain Ifedi has started 10 games at right guard and flashed the potential the team was excited about when it used the 31st overall pick on him in the spring.?Read more.Grade: C-minusCarolina Panthers:?The Panthers draft class was mostly about replacing Pro Bowl cornerback Josh Norman and upgrading the defense in general. Its still a work in progress.?Read more.Green Bay Packers:?Like usual, the Packers kept all seven of their draft picks coming out of training camp, and theyre all still on the roster. But their impact has been minimal.?Read more.Los Angeles Rams:?No. 1 pick Jared Goff spent the first 10 weeks of the season on the bench, but he seems to grow more comfortable every week. It?is difficult to assess him until he gets a bit more help, however.?Read more.Washington Redskins:?The early returns havent been good, save for a couple of bright spots, in part because of three injured players. In two years, the contributions from this class could be a lot more significant.?Read more.Grade: D-plusCleveland Browns:?The Browns drafted 14 players, and all of them made the roster coming out of training camp. None has had a sit-up-and-take-notice kind of season, however.?Read more.Grade: DArizona Cardinals:?This has been the most unproductive Cardinals rookie class of the Bruce Arians-Steve Keim tenure. None of the five still on the roster has been an active part of the offense or defense. Read more.Minnesota Vikings: The?Vikings rookie class hasnt yielded many immediate contributions, and first-round pick Laquon Treadwell has only one catch in 12 games. Read more. 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Canberra great Bradley Clyde believes there are genuine similarities between this years Raiders team and the star-studded side that he helped TO win the clubs first premiership in 1989.Clyde played 178 games for the Green Machine across 11 seasons; he was a key figure in two of the Raiders three premiership wins and built a reputation as one of the best forwards in rugby league history.But the 46-year-old was just one of a galaxy of stars in a Canberra team littered with some of the games greats, including Mal Meninga, Laurie Daley, Glenn Lazarus, Gary Belcher and current coach Ricky Stuart.Times have changed in the nations capital, though; the Raiders no longer boast rugby league giants in their line-up, but Clyde says there is still no reason why the current crop cant carve their own slice of club immortality.In 1989 there were a lot of young players that popped up who were unknown at the time and made a name for themselves, Clyde told ESPN.It could possibly be something similar for the Raiders this year.That performance against Melbourne last Monday night showed that a lot of the players have really developed this year and are starting to play for each other, the coach and the jersey that theyre representing.Its been 22 years since the Green Machine clicked into gear on that last Sunday of the season.They are almost certain of finishing in the top four for just the third time since the turn of the century, but Clyde can sense a major difference this year.Back-to-back wins over Cronulla and Melbourne, the top two teams on the NRL ladder, have given the Raiders a major injection of belief, confidence and momentum at the right time of the year.Theyre certainly carrying some momentum with them andd its great to see, Clyde said.ddddddddddddIn 1989 we werent expected to win anything. We had to win 10 games straight to win the Grand Final and thats what we did. I look back and think that momentum is very important.And equally important to Canberra chances this season is their new-found starch in defence.The Raiders are the best attacking team in the NRL this season but have the sixth-best defence; over the past month, however, they have muscled up noticeably -- piling on 106 points while conceding just 26.Defence -- a lot of it is attitude, particularly late in each half, but theyve turned the corner by the looks of things, Clyde told ESPN.Their attack was always been pretty solid, but defence is an indicator of commitment and that seems to be in order now.And Clyde believes the rapid rise of the Raiders is all down to one man: Ricky Stuart. Despite boasting a resume that includes premierships as a player and a coach, Stuart still has his fair share of critics.After a difficult 12-month tenure at Parramatta, Stuart returned to Canberra as coach in 2014 and Clyde knows he will take great personal satisfaction from the Raiders march to success this season.Very much, Clyde told ESPN.Hes been under some pressure over the last few years so to silence those critics; hell sit back at the end of 2016 and feel pretty happy, I would imagine.His intensity and commitment to winning football games has always been apparent.Ricky is very competitive and very focused around winning and being the best player and person he can be, and hes done a good job with the Canberra Raiders. ' ' '