Chelsea release Bamford on loan for another season.
Patrick joined the Blues back in January of 2012, however, he has not played a single game for the club as yet and has constantly been sent out on loan.
Last season he had a spell at Norwich City and Crystal Palace, but he struggled to secure a spot in either team.
His most successful run came over at Middlesbrough in the 2014-15 season. he played 39 games and netted 17 goals as they battled for promotion to the top tier.
The 22-year-old also won the Football League Championship Player of the Year.