sentences:  At the start of the 2011–12 season, after Taylor left the club, Joe Bennett was Middlesbrough's left back of choice.Although Bennett saw Grounds as competition, Mowbray spoke of Grounds "filling in" in that position, and did not view him as an out-and-out left back.On 25 August, he joined League One club Chesterfield on loan for a month, which was later extended to three months.