With the 27th overall pick in the first round of the 2006 NFL Draft, DeAngelo Williams arrived in Charlotte as an explosive, home-run-hitting playmaker. Pairing with heavy-hitting rookie Jonathan Stewart in 2008, Williams anchored the backfield half of Carolina's famous "Double Trouble" duo—one of the most lethal two-headed backfield tandems in modern pro football history.

Williams had exceptional acceleration, a low center of gravity for contact balance, and a powerful second gear on the open field. Playing in John Fox's run-focused system, he excelled at setting up blocks on zone stretches before swiftly cutting back into the secondary. Once past the initial tackles, Williams seldom got caught from behind, often turning what looked like simple gap plays into long touchdown runs.

Williams continued his initial two-year development, but his performance truly skyrocketed in 2008, establishing himself as a superstar. With exceptional efficiency, he totaled a franchise-high 1,515 rushing yards, averaged 5.5 yards per carry, and led the NFL with 18 rushing touchdowns. Despite having one of the best seasons ever by a running back that year, he was surprisingly omitted from the Pro Bowl but was later recognized as a Second-Team All-Pro to correct the mistake.

He demonstrated that his breakout season in 2009 was no coincidence. Sharing duties with Stewart in a historic backfield—the first in NFL history to have two 1,100-yard rushers in a single season—Williams accumulated 1,117 yards and scored seven touchdowns over 13 games. This achievement earned him his first Pro Bowl selection, a well-deserved recognition.

Although injuries and shared backfield duties prevented him from reaching 1,000 yards again in Charlotte, Williams stayed a consistent part of the Panthers' offense through 2014. He was a reliable veteran presence, frequently making significant plays during crucial moments, especially after Cam Newton's arrival.

Following nine seasons with the Carolina Panthers, the veteran running back was released in March 2015. Williams subsequently signed with the Pittsburgh Steelers, where he experienced a resurgence in his career by stepping in during Le'Veon Bell's absences—culminating in tying the NFL lead with 11 rushing touchdowns in 2015—before retiring after the 2016 season. During his tenure with the Panthers, Williams participated in 117 regular-season games (starting 62), amassing 6,846 rushing yards and 46 rushing touchdowns. Additionally, he recorded 1,621 receiving yards and seven receiving touchdowns. His total of 8,467 yards from scrimmage and 53 touchdowns ranks among the highest in franchise history at the time of his departure.