Mario Daniel Pierani Verstraete (born 25 July 1978) is a former Argentine footballer.
He had successful spells at San Luis de Quillota and Coquimbo Unido.
[3][9] After seven years in Chile, including one season in the Primera División with San Luis,[10][11][12] Pierani returned to Argentina.
He scored the goal that qualified Sportivo Rivadavia [es] for the final stage of the 2015–16 Copa Argentina.
This biographical article related to an Argentine association football forward born in the 1970s is a stub.