 Complete the following phrase:  After joining Juventus in 1992, he formed a formidable offensive line alongside players such as Roberto Baggio, Gianluca Vialli, Paolo Di Canio, Pierluigi Casiraghi, Andreas Möller, and Alessandro Del Piero. Affectionately known as the White Feather in Italian: Penna Bianca in recognition of his prematurely white hair a nickname which had also previously belonged to former Juventus legend Roberto Bettega, he was one of Europes top goalscorers in the mid-1990s. After initially struggling to obtain a starting spot under Giovanni Trapattoni, due to competition from several other strikers, he eventually managed to break into the starting line-up. During the 199495 season, under Marcello Lippi, he played a key role as the club claimed a domestic double, playing in an attacking trident, alongside Vialli, and either Baggio or Del Piero. With the Turin club, Ravanelli won one Serie A title 