Background and college
Born September 22, 1979 in Houston, Texas, Chatman attended Franklin High School in Seattle, Washington, His Head Football Coach was Joseph Slye (who also coached NFL stars Corey Dillon and James Hasty). Chatman's High School position coach was former NFL-running back Terry Metcalf. In honor of his many accomplishments at Franklin, his success at Eastern Washington University, and his rise to prominence in the NFL, Chatman's high school raised his Franklin jersey in a ceremony at the school and it will remain displayed in tribute. Chatman played for the Eastern Washington University Eagles of the Big Sky Conference from 1999-2001. During his tenure, Chatman was an AP I-AA All-America selection, Big Sky Conference Offensive Player of Year and a first-team all-conference selection. He recorded the fourth-highest single-season rushing total in I-AA history, amassing 2,096 rushing yards. Chatman finished his career with 4,173 yards and 53 touchdowns.
Before the Jets
Chatman was one of 19 undrafted free agents originally signed by the San Diego Chargers in April, 2002. After leading the NFL in rushing during the preseason with 234 yards on a 5.1 average, he made the team out of training camp. Chatman went on to appear in 10 games with no starts. On the season, he rushed for 19 yards on six carries, caught three passes for 44 yards and notched four tackles on special teams. Chatman went on to appear in all 16 regular season games for the Chargers in 2003, and was the team's leading special teams tackler with 16 stops and also recovered a fumble. Also, while he was primarily a blocker on kickoffs, Chatman did return two kicks for a total of 31 yards during the season. Despite a toe injury, Chatman played in 15 games of the 2004 season. His best game came against the Jacksonville Jaguars, when he rushed for 103 yards and a score. On the season, Chatman had 65 carries for 392 yards, two catches for 17 yards and three touchdowns. On special teams, he totaled four tackles and also had four kickoff returns for 89 yards, including a long of 35 yards. The toe injury finally got the best of him in the playoffs, when he was forced to sit out the team's AFC Wild Card match-up against the Jets. However, the following July saw Chatman's release.
The Miami Dolphins then signed Chatman in Septmeber 2005 to provide depth while Ricky Williams served a four-game suspension. Chatman was inactive for the first five games of the regular season with the Dolphins before being traded to the New Orleans Saints for a conditional seventh-round draft choice on October 11. Chatman spent three games with the Saints, inactive for all, before being released, and was out of football the entire 2006 season. In 2007, Chatman was again signed by the Dolphins, as a back up to Ronnie Brown. When Brown was injured, Chatman took over as the starting running back, finishing the season with 515 yards and a touchdown on 128 carries, 161 receiving yards on 27 receptions. He recorded career highs of 124 rushing yards and 27 carries versus Buffalo.
As a Jet
Chatman has a son named Sahvere and a daughter named Jaylen.