Felix, like many rookies, got banged up his rookie year in 2008. In 2009 though things definitely got better. College players have to learn a whole new way to condition and pace themselves in the pros- is Ryan Mathews now "injury prone" as well? Possibly we shall see

but there is no denying his ability when on the field when healthy
2009:
Played in 14 games earning one start - the first of his career - in place of Barber (quad) and finished the season second on the team with 114 carries for 685 yards (5.9 avg.) and three touchdowns while catching 19 passes for 119 yards and returning 30 kickoffs for 678 yards (22.6 avg.).
In the season-opening win at Tampa Bay (9/13), returned to the field for the first time since suffering a hamstring injury at Arizona (10/12/08) and finished with six carries for 22 yards and two kickoff returns for 50 yards.
In the Cowboys Stadium opener against the N.Y. Giants (9/20) rushed for a career-high tying 96 yards on seven carries (13.7) with a touchdown. Also had six kickoff returns for 134 yards.
Made his first career start in place of Barber (quad) and had eight carries for 94 yards (11.8) but suffered a knee strain in the third quarter, missing the remainder of the contest against Carolina (9/28).
Was inactive at Denver (10/4) and for the overtime win at Kansas City (10/11) with the knee injury but returned against Atlanta (10/25) with eight carries for 37 yards.
Had eight carries for 39 yards with a career-long 30-yard reception while returning three kickoffs for 45 yards in the win against Seattle (11/1).
Had 10 carries for 49 yards, a seven-yard catch and three kickoff returns for 66 yards against Washington (11/22).
In the Thanksgiving Day win over Oakland (11/26), led the team with 68 rushing yards on seven carries with a 46-yard touchdown run.
Recorded 10 carries for 51 yards while returning a kickoff a season-long 41 yards in the loss against San Diego (12/13).
In the win at previously undefeated New Orleans (12/19) had 14 carries for 58 yards, one catch for 10 yards and three kickoff returns for 90 yards with a season-long tying 41-yard return.
Finished second on the team with 10 carries for 58 yards and a season-best four catches for 27 yards in the playoff clinching win at Washington (12/27).
In the season finale shutout against Philadelphia (1/3/10), carried the ball a season-high 15 times for 91 yards with a 49-yard touchdown run and caught three passes for three yards as Dallas claimed its 17th NFC East Division title.
Against Philadelphia (1/9/10) in Dallas' first playoff win since 1996, led the team with 16 carries for 148 yards - both all-time personal-bests - with a 73-yard touchdown run - the longest of his career. His 148 yards was the first-ever 100-yard outing of his career, was good for the third-most rushing yards in a playoff game in franchise history, marked the 18th 100-yard postseason outing in team history and made him just the eighth different Cowboy to reach 100 yards.
His 73-yard run was the longest rush by a Cowboy in team postseason history.
Led the team with 14 carries for 69 yards (4.9) with three catches for 22 yards in the Divisional Playoff loss at Minnesota (1/17/10).
His 217 postseason rushing yards placed him ninth on the club's all-time postseason rushing yards list.
2008:
Had his rookie season shortened after suffering a hamstring injury at Arizona (10/12) and subsequent great toe injury suffered during the rehab process, but averaged 8.9 yards with three touchdowns on 30 carries and returned 16 kickoffs for 434 yards (27.1) and a touchdown.
In his NFL debut at Cleveland (9/7), rushed for 62 yards on nine carries with one touchdown - an 11-yarder on his first career carry. Also returned his first career kickoff 20 yards.
In the home-opening win against Philadelphia (9/15), returned a kickoff 98 yards for a touchdown to mark the first kickoff return by Dallas since Randal Williams returned one 38 yards for a score against Philadelphia (10/12/03). Jones' was the longest by a Cowboy since Reggie Swinton had a 100-yard return for a touchdown at Philadelphia (9/22/02) and the longest by a Dallas rookie since Ike Thomas had a 101-yard return against the N.Y. Jets (12/4/71).
Jones racked up 247 return yards against the Eagles to establish a single-game club record while his 41.2-yard return average was good for the fourth best in club annals.
With his 60-yard touchdown run at Green Bay (9/21), scored a touchdown in each of his first three professional games to become the first rookie in club history and the first league rookie since Andre Davis (Houston) and Donte' Stallworth (New Orleans) in 2002 to accomplish that feat. The 60-yard run was the fourth-longest touchdown run by a rookie in team history.
Rushed for 96 yards - including a 33-yard fourth down touchdown scamper - on just nine carries (10.7 avg.) against Cincinnati (10/5).
Returned one kickoff 22 yards and had three carries for 22 yards before leaving the game in the third quarter with the hamstring injury at Arizona (10/12).
Was inactive the next five games before landing on Reserve/Injured on Nov. 26 with the toe