The 25-year-old has struggled to make an impact at the Blues and spent last season on loan at Sevilla.
According to Sky Sport Italia, negations between Fiorentina and Marin are at an advanced stage and he could undergo a medical with the Italian club in the coming days.
Marin came on as a substitute during Sevilla's Europa League final victory against Benfica last season.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Liverpool | 22 | 16 | 5 | 1 | 54 | 21 | 33 | 53 |
| 2 | Arsenal | 23 | 13 | 8 | 2 | 44 | 21 | 23 | 47 |
| 3 | Nottingham ForestNott'm Forest | 23 | 13 | 5 | 5 | 33 | 27 | 6 | 44 |
| 4 | Manchester CityMan City | 23 | 12 | 5 | 6 | 47 | 30 | 17 | 41 |
| 5 | Newcastle UnitedNewcastle | 23 | 12 | 5 | 6 | 41 | 27 | 14 | 41 |
| 6 | Chelsea | 23 | 11 | 7 | 5 | 45 | 30 | 15 | 40 |
| 7 | Bournemouth | 23 | 11 | 7 | 5 | 41 | 26 | 15 | 40 |
| 8 | Aston Villa | 23 | 10 | 7 | 6 | 34 | 35 | -1 | 37 |
| 9 | Brighton & Hove AlbionBrighton | 23 | 8 | 10 | 5 | 35 | 31 | 4 | 34 |
| 10 | Fulham | 23 | 8 | 9 | 6 | 34 | 31 | 3 | 33 |
| 11 | Brentford | 23 | 9 | 4 | 10 | 42 | 40 | 2 | 31 |
| 12 | Manchester UnitedMan Utd | 23 | 8 | 5 | 10 | 28 | 32 | -4 | 29 |
| 13 | Crystal Palace | 23 | 6 | 9 | 8 | 26 | 30 | -4 | 27 |
| 14 | West Ham UnitedWest Ham | 23 | 7 | 6 | 10 | 28 | 44 | -16 | 27 |
| 15 | Tottenham HotspurSpurs | 23 | 7 | 3 | 13 | 46 | 37 | 9 | 24 |
| 16 | Everton | 22 | 5 | 8 | 9 | 19 | 28 | -9 | 23 |
| 17 | Leicester CityLeicester | 23 | 4 | 5 | 14 | 25 | 49 | -24 | 17 |
| 18 | Wolverhampton WanderersWolves | 23 | 4 | 4 | 15 | 32 | 52 | -20 | 16 |
| 19 | Ipswich TownIpswich | 23 | 3 | 7 | 13 | 21 | 47 | -26 | 16 |
| 20 | Southampton | 23 | 1 | 3 | 19 | 16 | 53 | -37 | 6 |
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