One of the founders of BALR was a Dutch professional football player who played right back for which Italian club?
BALR.:  is a Dutch brand founded in 2013 by professional football players Demy de Zeeuw, Eljero Elia, Gregory van der Wiel and internet entrepreneurs Ralph de Geus and Juul Manders. Gregory van der Wiel: Gregory Kurtley van der Wiel (born 3 February 1988) is a Dutch international footballer who plays for Italian club Cagliari, as a right back.
Cagliari