Former Scotland international names ex-Celtic man as ideal candidate to replace Martin O’Neill.Celtic have been urged to make former striker Robbie Keane their “number one” target to succeed Martin O’Neill as the club’s next manager in the summer.O’Neill, 74, stepped out of retirement in October to take charge of the club on an interim basis after Brendan Rodgers resigned. Wilfried Nancy then took over in December, but following Nancy’s sacking in January, O’Neill returned on a deal lasting until the end of the season.Currently three points behind league leaders Hearts ahead of a vital clash with Rangers at Parkhead on Sunday, Ferencvaros head coach Keane has been listed amongst the bookies’ favourites to replace O’Neill as boss at the end of the current season, and former Scotland international Don Hutchison believes the Irishman is the ideal candidate to take over in the dugout.Robbie Keane has been backed to be the next Celtic manager…