While some question the validity of the term "injury prone," there certainly is a collection of current NFL players who seem to get hurt every year.
A few have been able to play through the pain, while others have missed considerable time.
Here's a list of those who'd be labeled as the NFL's most "injury-prone" players.
Since 2010, Carolina Panthers running back Jonathan Stewart has suffered through a multitude of nagging injuries.
Despite an irritating Achilles tendon injury, he appeared in the first 32 games of his NFL career, but the Oregon product missed two games with a concussion in his third season.
In 2011, Stewart dodged the injury bug, yet in 2012, he tweaked his ankle and missed seven games.
For someone who possesses a unique blend of size (5'10'', 235 pounds) and speed (4.48 40-yard dash), it's a shame what Stewart has dealt with on the injury front during his professional tenure.
After latching on with the St. Louis Rams and exploding onto the NFL scene with 85 receptions in 2010, Danny Amendola hasn't been able to stay healthy.
He suffered a significant elbow injury in Week 1 of the 2011 season and was placed on injured reserve, which ended his year.
A dislocated clavicle and a foot injury limited the shifty and feisty slot receiver to only eight games in 2012.
With Wes Welker gone, the New England Patriots are hoping Amendola's done fighting through injuries.
When healthy, Eric Wood is one of the best centers in the NFL.
Unfortunately for the Buffalo Bills, he simply hasn't stayed healthy.The 2009 first-round pick broke his leg in his rookie campaign. In 2010, he missed two games due to a minor ankle injury. In 2011, he tore a knee ligament and missed seven games.
Last year, Wood partially tore his MCL, which caused him to miss two games, although he returned for the season finale.
What's odd about Wood's unfortunate injury past is that he started 49 consecutive games in college at Louisville.
The center has yet to play a full, 16-game season as a professional.
San Diego Chargers running back Ryan Mathews may be the most famous—or infamous—injury-riddled running back in today's NFL.
Mathews actually played and started 14 games in his second professional season and was quite productive, accumulating more than 1,500 total yards while averaging 4.9 yards per carry.
But an ankle injury curtailed his rookie campaign, and in 2012, he was unavailable for four games after he broke his clavicle in the preseason.
Felix Jones is one of the more explosive backs in the NFL—when he's not on the injury report.
Basically, he's been banged up his entire professional career.
In Week 6 of what was a promising rookie year, Jones injured his hamstring and was out for the remainder of the season.
The former Arkansas star was fully healthy in 2010, and he played in all 16 games. The following season, an ankle injury limited the running back to only four contests.
Last year, he managed to play in every contest despite a nagging knee injury and an offseason shoulder surgery.
Kevin Kolb was named the Philadelphia Eagles' starting quarterback in 2010 but only lasted one game after suffering a concussion.
As a member of the Arizona Cardinals in 2011, Kolb was sidelined due to a frustrating turf-toe injury. Later in the season, he was knocked out of a game due to concussion-like symptoms and didn't return that year.
In 2012, Kolb suffered a rib injury on October 14 and missed the remainder of the season.
His questionable pocket presence and the Cardinals' porous offensive line certainly did not mesh well.
Ben Roethlisberger is arguably the best improvisational quarterback in the NFL; he extends plays better than anyone.
But due to his creative, out-of-the-pocket style, Big Ben has labored through a variety of injuries during his career.
He hasn't played in all 16 games in one given season since 2008, and in 2012, he missed four games due to extremely serious shoulder and rib injuries.
Pittsburgh Steelers fans wouldn't have Roethlisberger any other way—or maybe they would.
Michael Vick's otherworldly athleticism allowed him to emerge as one of the most intimidating dual-threat quarterbacks of all time.
He was out of the league for 2007 and 2008, but the last time he played in all 16 games was 2006.
The Madden cover boy missed 11 games in 2003 due to a fibula break he suffered in the 2003 preseason.
Vick has experienced multiple concussions in his career, the most recent of which led to the quarterback missing six games in 2012.
Troy Polamalu has become a legendary safety in Pittsburgh with the Steelers, but he hasn't been healthy of late.
In 2012, he missed nine games due to a calf injury, which was an unfortunate development after the former All-Pro played all 16 games in 2011.
Before that, in the 2009 season opener against the Tennessee Titans, Polamalu sprained his MCL, missed four games and was injured later in the year against the Cincinnati Bengals.
In 2010, he battled an ankle injury all season but missed only two contests.
At 32, Polamalu is certainly an injury risk heading into the 2013 campaign.
Fred Jackson is 32 years old, but he hasn't even accumulated 1,000 career carries, which isn't normal for a running back his age. He's one of the NFL's most versatile runners and boasts a 4.5 career yards-per-carry average.
Sadly, he's recently experienced a rash of major injuries.
In 2011, he broke his leg and missed the last six games of the season.
Last year, Jackson injured his knee in the first game against the New York Jets, suffered a concussion in Week 10 and later sprained his MCL. He didn't play after the Week 13 contest against the St. Louis Rams.
Darren McFadden may be the physically comparable to Adrian Peterson—he's a bit more stiff-hipped—but his injury history has drastically hindered his ability to flourish in the NFL since he joined the league in 2008.
He's never played a full 16-game schedule and has appeared in 19 of a possible 32 contests since 2011.
As a rookie it was his toe and knee. In 2011, when he looked like a Pro Bowl lock, he endured a foot injury that allowed him to play only seven games.
Last year, he tweaked his ankle, which resulted in four missed games.