The 25-year-old has been linked with a host of Premier League clubs after impressing in the Championship last season, and he is expected to leave Vicarage Road this summer.
Martinez will bid £3m for the centre-half, according to The Mirror, as he attempts to ready his squad for the new campaign.
Reading and Southampton have also been credited with an interest.
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | AFC Wimbledon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | Accrington StanleyAccrington | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | Blackpool | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4 | Bristol Rovers | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5 | Burton Albion | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6 | Charlton AthleticCharlton | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7 | Crewe AlexandraCrewe | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8 | Doncaster RoversDoncaster | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9 | Fleetwood TownFleetwood | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10 | Gillingham | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11 | Hull City | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 12 | Ipswich TownIpswich | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 13 | Lincoln CityLincoln | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 14 | MK Dons | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 15 | Northampton TownNorthampton | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 16 | Oxford UnitedOxford Utd | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 17 | Peterborough UnitedPeterborough | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 18 | Plymouth ArgylePlymouth | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 19 | Portsmouth | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 20 | Rochdale | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 21 | Shrewsbury TownShrewsbury | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 22 | Sunderland | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 23 | Swindon TownSwindon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 24 | Wigan AthleticWigan | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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