ROB HOLDING is on the radar of MLS clubs as his Crystal Palace future is in doubt.The ex-Arsenal defender, 29, had a loan at Sheffield United for the second half of last season. GettyRob Holding was frozen out after falling out with manager Oliver Glasner[/caption]RexHe played only one game for Crystal Palace after the situation with Oliver Glasner[/caption]GettyHe spent most of his time training with the junior team before moving to Sheffield United in January[/caption]Championship sides are keen but there is interest in the US for a second year running.The defender was signed from Arsenal for £4million in 2023, but he played only one game for the Eagles after falling out with manager Oliver Glasner.He was then sent to train with the junior team, where he remained frozen out until deadline day of the January transfer window, when he joined Sheffield United.Holding, who made 162 appearances for Arsenal, was brought in to add experience and solidity to Crystal Palace’s backline after signing a contract through to 2026.But as things stand, a complete separation from the club could be in everyone’s best interest.He went on to make 10 appearances and provided one assist as Sheffield United finished third in the Championship but missed out on promotion and manager Chris Wilder leaving.Former Blades boss Wilder admitted he wanted to keep Holding before leaving his post after failing to secure Premier League promotion.He said: “Rob is just a straight loan until the end of the season, but he’s certainly someone we’d be interested in if the loan goes well.“You don’t get signed by a club like Arsenal if you haven’t got something about you – if you’re not a little bit special.BEST ONLINE CASINOS – TOP SITES IN THE UK“As sometimes happens, things didn’t work out at Palace, and we’ve taken advantage of that. “Everyone’s been impressed with Rob in his early days here at Sheffield United.” The departure of Wilder has meant Holding could do with moving abroad instead of heading back to Bramall Lane.In other transfer news, Crystal Palace welcomed Eberechi Eze back for pre-season despite strong links to Arsenal.The England midfielder has two years left on his current deal, but after lifting the FA Cup and establishing himself as a Palace legend, a move to North London does interest him.Palace, however, are yet to receive an official approach. Sources have told SunSport the Eagles will hold out for a fee of around £65million to do business with the Gunners.