Full back will be Luke McLean, on the wings Andrea Pratichetti and Tommaso Iannone.
Enrico Bacchin and Alberto Sgarbi will be respectively right and left centre.
The half backs are Chris Smylie at scrum half and Jayden Hayward at fly-half.
The front row will consist of Matteo Zanusso, Ornel Gega and Rupert Harden.
Locks will be Marco Fuser and Tom Palmer. Finally, the back row sees Marco Barbini, Francesco Minto and Alessandro Zanni completing the XV chosen by Casellato.
Benetton Rugby: 15 Luke McLean, 14 Andrea Pratichetti, 13 Enrico Bacchin, 12 Alberto Sgarbi, 11 Tommaso Iannone, 10 Jayden Hayward, 9 Chris Smylie, 8 Alessandro Zanni ( C ), 7 Francesco Minto, 6 Marco Barbini, 5 Tom Palmer, 4 Marco Fuser, 3 Rupert Harden, 2 Ornel Gega, 1 Matteo Zanusso.
Replacements: 16 Davide Giazzon, 17 Alberto De Marchi, 18 Salesi Manu, 19 Filo Paulo, 20 Robert Barbieri, 21 Abraham Steyn, 22 Alberto Lucchese, 23 Sam Christie
Unavailable: Filippo Filippetto, Simone Ferrari, Dean Budd, Luca Morisi, Angelo Esposito, Ludovico Nitoglia, Edoardo Gori, Duncan Naudè