Ranking Heisman Trophy winners based on 2015 performanc

While LSU running back Leonard Fournette and TCU quarterback Trevone Boykin are at the center of this season's Heisman Trophy race, and are thriving among active Heisman winners. There are 10 former Heisman winners active in the NFL this season, and, remarkably, the two oldest among them are playing the best football of them all. takes a quick look at how each Heisman winner has fared through the first half of the 2015 NFL season and ranks them based on their 2015 performance.1. QB Won the Heisman: 2002, USCDrafted:No. 1 overall (2003), 2015 season:Palmer's career has experienced a resurgence this year with J.A. Happ Jersey 20 touchdown pa ses, tied with for , to lead the 6-2 .2. DB Won the Heisman: 1997, MichiganDrafted:No. 4 overall (1998), 2015 season:At 39 years old, Woodson is with five and is playing like a 25 year old in the ' secondary.3. QB Won the Heisman: 2010, AuburnDrafted:No. 1 overall (2011), 2015 season:Newton's pa sing numbers don't frighten any defenses, but his ability to pick up first downs on the run is invaluable, and he's leading a 7-0 team.4. RB Won the Heisman: 2009, AlabamaDrafted:No. 28 overall (2011), 2015 season:The fifth-year running back is on pace for the most productive season of his career: 1,000-plus yards and 10 touchdowns.5. QB Won the Heisman: 2013, Florida StateDrafted:No. 1 overall (2015), 2015 season:The rookie's 10-7 TD-INT ratio must improve. Since a four-pick day , he's done exactly that, and Tampa Bay is 2-1 since then.6. QB Won the Heisman: 2014, OregonDrafted:No. 2 overall (2015), 2015 season:The ' rookie is going through expected growing pains on a 1-6 team, not the least of which are his nine turnovers (five interceptions, four lost fumbles). At the same time, the have a rebuilding task around him.7. QB Won the Heisman: 2008, OklahomaDrafted:No. 1 overall (2010), 2015 season:The are 3-4 under Bradford, who is finally healthy but only sporadically effective. Bradford hasn't been able to push the ball downfield -- his average of 6.4 yards per attempt places him near the bottom of the league in the category.8. QB Won the Heisman: 2012, Texas A&MDrafted:No. 22 overall (2014), 2015 season:Manziel has started only one game all year (he'll make his ), and he's seen limited action off the bench in each of the last two weeks.9. RB Won the Heisman: 2005, USC ()Drafted:No. 2 overall (2006), 2015 season:Bush barely contributed for the this season before suffering a season-ending injury.10. QB Won the Heisman: 2011, BaylorDrafted:No. 2 overall (2012), 2015 season:The former No. 2 overall pick has been a weekly clipboard holder through the first half of the season.*Follow Chase Goodbread on Twitter *. George Springer Jersey