The boss on Ferguson, Forde and AbdouNeil Harris says he is 'extremely proud' of the three Millwall players who are preparing for international duty this week.
Shane Ferguson, David Forde and Jimmy Abdou are set to play for Northern Ireland, the Republic of Ireland and Comoros respectively over the next week.
It means that Harris will be without the trio for Millwall's Easter weekend double header against Bradford City and Burton Albion, but the Lions boss is pleased that they have the opportunity to play for their national sides.
"It's a privilege and an honour to play for your country and I fully support any players who receive a call-up," he said.
"I'm extremely proud of all three of them and delighted that they have the chance to go away with their national squads. While they'll be missed over the weekend, it's a big chance for the likes of David Forde and Shane Ferguson to try and cement a place in their country's side for the European Championships.
"We wish them every success over the next week or so and I'll be keeping a keen eye on their progress."
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