NFL's most intriguing players down final stretch

— -- As the playoffs take shape and the regular season winds to a close, I'm taking a look at?players with captivating storylines.

From players who could affect the playoff picture to veterans who have questions about their futures to rookies making impacts, here are the most intriguing players down the stretch:

Players who could affect the playoff race

Khalil Mack, OLB | Oakland Raiders

Thomas Rawls, RB | Seattle Seahawks

Justin Houston, LB | Kansas City Chiefs

Jason Pierre-Paul, DE |? New York Giants

Ladarius Green, TE | Pittsburgh Steelers

Devonta Freeman & Tevin Coleman, RBs | Atlanta Falcons

George Fant?& Bradley Sowell, OTs | Seattle Seahawks

Ezekiel Ansah, DE | Detroit Lions

After 14.5 sacks last season, Ansah was considered the next superstar pass-rusher. But he doesn't have a sack in 2016, and last week he revealed he is playing despite a high-ankle sprain that will nag him through the rest of the season. The Lions, who are tied for 26th in the league with 21 sacks this season, need Ansah to return to his 2015 form -- quickly.

Veterans?who have questions about their future

Kirk Cousins, QB | Washington Redskins

Le'Veon Bell, RB | Pittsburgh Steelers

Blake Bortles, QB |? Jacksonville Jaguars

Brock Osweiler, QB?|? Houston Texans

Martellus Bennett, TE | New England Patriots

Tyrod Taylor, QB | Buffalo Bills

Rookies making an impact

Ezekiel Elliott, RB | Dallas Cowboys

RBs Devontae Booker, Denver Broncos?|? Rob Kelly, Washington Redskins?| Paul Perkins, New York Giants

Deion Jones &? De'Vondre Campbell, LBs & Keanu Neal, S | Atlanta Falcons

Javon Hargrave, NT,? Artie Burns, CB & Sean Davis, S | Pittsburgh Steelers

Elandon Roberts, LB | New England Patriots