US Senior Open: Padraig Harrington defends title at Scioto Country Club as Ian Poulter finishes fourth on debut

Padraig Hamilton retains the US Senior Open title, finishing on 12 under; The Irishman beat Stewart Cink to the title for the second year running; Brit Ian Poulter finished fourth on debut; watch the ISCO Championship live on Sky Sports from July 9-12