Shane Duffy.The Scottish champions are attempting to seal a deal for the 28-year-old as boss Neil Lennon looks to add reinforcements in the backline department.Duffy has a variety of options with Brighton aiming to offload him during this transfer window.Celtic are involved in the race with the Parkhead outfit hoping to secure a loan deal which would cost them around £2million in wages for the cost of a season.West Ham, however, are prepared to pay a full transfer fee for a permanent deal at a cost in the region of £5million.Manager David Moyes has worked with Duffy during the pair’s time together at Everton and the financial muscle of the Londoners due to Premier League riches could give them a cash edge.Celtic, though, are aware that.