St. Mirren midfielder Killian Phillips has been called up to the Republic of Ireland squad for their upcoming Nations League quadruple-header. The 24-year-old joined Heimir Hallgrimsson's squad in Dublin ahead of the side travelling to Pristina for Thursday's match against Kosovo.He has replaced Hibernian's Jamie McGrath and Harvey Vale from Queens Park Rangers, who have both been ruled out through injury.The midfield duo will now join Republic of Ireland captain Nathan Collins on the sidelines