He 's the heavy favorite after dropping a 14 : 44.51 here in Rio and a 14 : 34 earlier this season .
Gregorio Paltrinieri of Italy could win their first swimming gold of these games .
Gregorio Paltrinieri 's the heavy favorite after dropping a 14 : 44.51 here in Rio and a 14 : 34 earlier this season .
Gregorio Paltrinieri of Italy could win their first swimming gold of these games .