Gregory Alan Lewis Jr. (born February 12, 1980) is an American football coach and former player. He is the running backs coach for the Kansas City Chiefs of the National Football League (NFL). He played wide receiver in the NFL for eight seasons. After playing college football for Illinois, he was signed by the Philadelphia Eagles as an undrafted free agent in 2003. He played for the Eagles for six seasons from 2003 to 2008 and the Minnesota Vikings for two seasons from 2009 to 2010. Lewis has served as assistant coach for the University of San Diego, San Jose State, Pittsburgh Panthers, Eagles, and Chiefs.
After going undrafted in the 2003 NFL Draft, Lewis signed with the Philadelphia Eagles as an undrafted free agent. Limited to mostly special teams his rookie season, Lewis worked his way into the receivers rotation his second year, helping the Eagles reach Super Bowl XXXIX. He caught a 30-yard touchdown in the fourth quarter to bring the Eagles within 3, but the Eagles would go on to lose the game.
Lewis spent six seasons with the Eagles, playing in 99 games with 24 starts between the regular season and playoffs, while recording 136 receptions for 1,879 yards and eight touchdowns.
Lewis was acquired via trade along with a 2010 7th-round draft pick by the New England Patriots in exchange for a 2009 5th-round draft pick on March 5, 2009. Coach Bill Belichick had considered drafting Lewis in 2003, and Lewis had career games against the Patriots in the Super Bowl, and in 2007 when the Eagles nearly ended the Patriots undefeated streak. However, he was released on September 5 during finals cuts.