[2] Born in Livorno, Tuscany, Mori started his professional career at Tuscan team Empoli F.C.
Mori made his Serie B debut on 23 March 2010, replacing Andrea Cupi in the second half.
Since the departure of Gabriele Angella to Serie A club Udinese, Mori became one of the starting centre-back to partner with Lorenzo Stovini.
[3] That day the Udine club also bought the remain 50% registration rights of playmaker Diego Fabbrini for €300,000.
In 2007–08 season Mori returned to the under-18 team[19] and played the only match against Serbia U-18 (Serbian: Млађе омладинске селекције Србије) in April.
[20][21][22] Mori also played once for U-19 in March but failed to enter the squad for 2008 UEFA European Under-19 Football Championship elite qualification.
In 2008–09 season he played all three matches of 2009 UEFA European Under-19 Football Championship qualification, which Italy did not qualify.
He missed the first round of 2013 UEFA European Under-21 Football Championship qualification due to injury[26] and as an unused bench for the rest of the fixture.