The 18-year-old left-back has appeared on the radar of both Manchester clubs who will square off against each other for his services, according to The People.
Madrid coach Jose Mourinho has called up the defender to train with the first team several times already this season.
Castellano has featured 10 times for Real Madrid C this campaign.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Liverpool | 6 | 5 | 0 | 1 | 12 | 2 | 10 | 15 |
| 2 | Manchester CityMan City | 6 | 4 | 2 | 0 | 14 | 6 | 8 | 14 |
| 3 | Arsenal | 6 | 4 | 2 | 0 | 12 | 5 | 7 | 14 |
| 4 | Chelsea | 6 | 4 | 1 | 1 | 15 | 7 | 8 | 13 |
| 5 | Aston Villa | 5 | 4 | 0 | 1 | 10 | 7 | 3 | 12 |
| 6 | Fulham | 6 | 3 | 2 | 1 | 8 | 5 | 3 | 11 |
| 7 | Newcastle UnitedNewcastle | 6 | 3 | 2 | 1 | 8 | 7 | 1 | 11 |
| 8 | Brighton & Hove AlbionBrighton | 6 | 2 | 3 | 1 | 10 | 8 | 2 | 9 |
| 9 | Nottingham ForestNott'm Forest | 6 | 2 | 3 | 1 | 6 | 5 | 1 | 9 |
| 10 | Tottenham HotspurSpurs | 5 | 2 | 1 | 2 | 9 | 5 | 4 | 7 |
| 11 | Manchester UnitedMan Utd | 5 | 2 | 1 | 2 | 5 | 5 | 0 | 7 |
| 12 | Brentford | 6 | 2 | 1 | 3 | 8 | 10 | -2 | 7 |
| 13 | Bournemouth | 5 | 1 | 2 | 2 | 5 | 8 | -3 | 5 |
| 14 | West Ham UnitedWest Ham | 6 | 1 | 2 | 3 | 6 | 10 | -4 | 5 |
| 15 | Everton | 6 | 1 | 1 | 4 | 7 | 15 | -8 | 4 |
| 16 | Leicester CityLeicester | 6 | 0 | 3 | 3 | 8 | 12 | -4 | 3 |
| 17 | Crystal Palace | 6 | 0 | 3 | 3 | 5 | 9 | -4 | 3 |
| 18 | Ipswich TownIpswich | 5 | 0 | 3 | 2 | 3 | 8 | -5 | 3 |
| 19 | Southampton | 5 | 0 | 1 | 4 | 2 | 9 | -7 | 1 |
| 20 | Wolverhampton WanderersWolves | 6 | 0 | 1 | 5 | 6 | 16 | -10 | 1 |
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