The pair arrived from Los Angeles and Moscow respectively on Monday and were out on the training pitch at Gannon Park for the day's first session.
They were joined by Aston Villa defender Ciaran Clark, who was drafted in on Monday when it became clear that Sean St Ledger's hamstring injury would rule him out of the World Cup qualifiers against Germany and the Faroe Islands.
There was no sign of keeper Kieren Westwood, Giovanni Trapattoni's number one after Shay Given's retirement from international football, but assistant manager Marco Tardelli later revealed the Sunderland man had been rested and was training in the gym.
Ireland will be without five key men for Friday night's clash against Group C favourites Germany with St Ledger, Richard Dunne, Glenn Whelan, James McClean and Kevin Doyle all missing through injury.
Bayern Munich are kings of Germany and hope to be crowned kings of Europe at Wembley later this month!
Borussia Dortmund hears Wembley Calling and are headed to London for the Champions League final.
The adidas Nitrocharge is the most talked about new cleat in years. It was released on May 15 and will take your pitch by storm.
The new PUMA evoSPEED 1.2 FG. A great new soccer cleat with classic look and first time for PUMA to be on the cleat.
One of the top soccer cleats for control the Nike CTR360 will not let you down on the field in tight spaces.
The Liverpool 2013/14 soccer jersey is available for pre-order. The Reds are eager to compete for silver next season.
adidas has added some color to the Predator line with this new colorway. Released on May 17. Be the first to own a pair.
Chelsea won the Europa League on Wednesday. The Blues defeated Benfica 2-1 on injury time goal from Ivanovic.
The Juventus jersey for the 2013/14 was released earlier this week. Be the first to wear the colors of the Old Lady.
Ajax has released their away soccer jersey for the 2013/14 season. Get in the Gear.