Harley Mills, born on 3 November 2005 (age 20), is an English left-back with Peterborough United. He wears squad number 14 and is valued at around £64,000 by Transfermarkt.
In the 2026–27 season, Mills has made six League One appearances and three in the League Cup for Peterborough, giving him nine appearances across all competitions. It is a modest senior record so far, but a clear enough start for a young full-back working his way into professional football.
His career remains at an early stage: an English left-back at Peterborough, building first-team experience rather than carrying any great weight of expectation.
📈 Key stats and insights
Harley Mills has made 6 League One 2026 - 2027 appearances (5 starts, 1 substitute)
Harley Mills has 3 League Cup appearances this season
Harley Mills is 20 and plays as a left back for Peterborough United
Harley Mills has a market value of €75k
Last updated 24 September 2026. Send feedback
