Livorno
Livorno () is a port city on the Ligurian Sea on the western coast of the Tuscany region of Italy. It is the capital of the Province of Livorno, having a population of 152,916 residents as of 2025. It is traditionally known in English as Leghorn ...
rugby union
Rugby union football, commonly known simply as rugby union in English-speaking countries and rugby 15/XV in non-English-speaking world, Anglophone Europe, or often just rugby, is a Contact sport#Terminology, close-contact team sport that orig ...
footballer. His position in the field is as a scrum-half.
He played for Benetton Treviso (1996–2002),
Rugby Rovigo
Rugby Rovigo Delta, formerly known until 2010 as Rugby Rovigo, is an Italian rugby union club currently competing in the Top10 (rugby union), Serie A Élite. They are based in Rovigo, in Veneto.
Overview
The club was founded in 1935 by medical ...
(2002–2003), Arix Viadana (2003–2006) and SKG Gran Parma (2006- current).
Mazzantini had his first cap for
Italy
Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
at 5 February 2000, in a 34-20 win over
Scotland
Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...
. He played at the Six Nations in 2001, 2002 and 2003. He was capped twice at the
2003 Rugby World Cup
The 2003 Rugby World Cup was the fifth Rugby World Cup and was won by England national rugby union team, England. Originally planned to be co-hosted by Australia and New Zealand, all games were shifted to Australia following a contractual dispu ...
finals.
He was awarded nine caps for his national team.
Mazzantini is married with Elisa Facchini, a veterinary surgeon who also plays as
wing
A wing is a type of fin that produces both Lift (force), lift and drag while moving through air. Wings are defined by two shape characteristics, an airfoil section and a planform (aeronautics), planform. Wing efficiency is expressed as lift-to-d ...