Career
He was selected by the Minnesota Timberwolves with the 53rd overall pick in the 2014 National Basketball Association draft. Early career
From 2007 to 2009, Gentile played with the junior teams of Treviso Basket. In 2009, he signed to play with Treviso"s senior men"s team and in the 2009-2010 season, he played in 24 games, averaging 3.4 points and 1.2 rebounds per game.
On June 14, 2011, he signed a three-year contract extension with Treviso Basket.
Olimpia Milano
In December 2011, Gentile left Treviso Basket and signed a four-year deal with Olimpia Milano. In 2013-2014, Gentile had a break-out season, averaging 11.4 points, 2.4 rebounds and 2.3 assists over 21 games in the Euroleague.
On June 26, 2014, Gentile was selected with the 53rd overall pick in the 2014 National Basketball Association draft by the Minnesota Timberwolves. He was later traded to the Houston Rockets on draft night.
In July 2014, Gentile penned a new three-year contract with Milano.
A year later in 2015, the Milano captain extended his contract until 2018, with a new three-year deal. On October 6, 2015, he played against the Boston Celtics for the National Basketball Association Global Games. The Italian started in the under age categories of Italy, first for the Under 16"s at the 2008 European Championship and then notably winning the silver medal with the U20"s at the 2011 European Championship.
He played with Italy at EuroBasket 2013 and EuroBasket 2015.