 At international level, he was a member of the Italy national football team that reached the final of the 1994 FIFA World Cup.Born in Frascati, Apolloni started his career with Lodigiani in 1983–84 in Serie C2, without ever get off the field in the first team to advance to Pistoiese within two years, where he debuted in professional football.After another year in Serie C1 to Reggiana, he joined Parma in 1987, became a key member of the squad and a mainstay in the team's defensive lineup alongside Lorenzo Minotti; the two players formed a notable central defensive partnership at the club, helping to guide the team from the Serie B to Serie A, and eventually, to the top levels of European football.