England forward Ben Earl, Ireland centre Bundee Aki, Scotland wing Duhan van der Merwe and Italy centre Tommaso Menoncello are in the running to be named Six Nations player of the year.
Fresh off another Six Nations title, Ireland coach Andy Farrell is eager to show what his charges can do on their tantalising two-match tour of South Africa.
Leading Ireland to Six Nations glory could be Peter O'Mahony's final act on international rugby's stage.
Ireland secured consecutive Six Nations titles with a hard-fought 17-13 victory over Scotland, ending their opponents' Triple Crown hopes.
Ireland are set to host New Zealand and Joe Schmidt's Australia during a tantalising four-match series against southern hemisphere opposition in November.
Ireland have stuck with the starting XV narrowly beaten by England for Saturday's Guinness Six Nations title decider against Scotland in Dublin.