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Dublin , Ireland - 31 August 2016; Robbie Keane of Republic of Ireland celebrates after scoring his side's second goal during the Three International Friendly game between the Republic of Ireland and Oman at the Aviva Stadium in Lansdowne Road, Dublin. (Photo By Matt Browne/Sportsfile via Getty Images)

Dublin , Ireland - 31 August 2016; Robbie Keane of Republic of Ireland celebrates after scoring his side's second goal during the Three International Friendly game between the Republic of Ireland and Oman at the Aviva Stadium in Lansdowne Road, Dublin. (Photo By Matt Browne/Sportsfile via Getty Images)