Career
He signed with the Baltimore Ravens as an undrafted free agent in 2012. He has also played for the Cleveland Browns. He played college football at Western Kentucky.
In 2011, Rainey had 1,695 rushing yards and 17 total touchdowns while playing running back at Western Kentucky University.
In 2010, Rainey was one of the top rushers in College Football. He led the nation in rushing attempts (340) and was third in the nation in rushing yards (1649).
In 2009, he totaled over 2100 yards and gained notoriety as one of the premier Kick Returners in College Football. His two official forty yard dash times were 4.42 and 4.45 respectively.
Stats
School records
Rainey holds school records for WKU in rushing yards in a season (1,695) and rushing yards in a career (4,523).
He is just the eighth FBS player since 2000 to rack up back-to-back 1,500-yard seasons. That list includes NFL running back LaDanian Tomlinson (Texas Christian University), and current NFL running backs, Ray Rice (Rutgers), DeAngelo Williams (Memphis), Darren McFadden (Arkansas) and Steven Jackson (Oregon State). Baltimore Ravens
Rainey signed with the Baltimore Ravens as an undrafted free agent.
On September 10, 2012, he was released.
On September 12, 2012, he was re-signed to the practice squad and became practice squad captain. On October 16, 2012, he was promoted to the active roster after the team placed Lardarius Webb on injured reserve.
Rainey never made it on the active gameday roster during the 2012 season. On November 13, 2012, he was placed on injured reserve due to a knee injury.
On August 31, 2013, he was released by the Ravens.
Cleveland Browns
On September 1, 2013, he was picked up by the Cleveland Browns after clearing waivers. He was released after week 7 of the 2013 season. Tampa Bay Buccaneers
= 2013 season In October 2013, he was acquired off waivers by the Tampa Bay Buccaneers.
He scored his first career regular season touchdown on November 11, 2013.
Due to injuries to Doug Martin and Mike James he would finish his debut Buccaneer season as the teams leading rusher with 137 attempts for 523 yards and 5 touchdowns. He also had 11 catches for 27 yards and 1 receiving touchdown.
= 2014 season On March 5, 2014, Rainey signed a one year deal to stay with the Buccaneers. Despite terrible offensive line play, Rainey still compiled 94 attempts for 406 yards and 1 touchdown only second to Doug Martin.
He also had 33 catches for 315 yards and 1 receiving touchdown.
= 2015 season On March 10, 2015, the Buccaneers extended a restricted free agent tender offer of $1.542 million for one year to Rainey restricting him from free negotiating with any other and granting Tampa the right to match any offer he receives from other teams. He signed his one-year tender on April 24.
