The 26-year-old defender, who was drafted in as defensive cover last week and played in Saturday's 1-0 friendly victory over Bosnia-Herzegovina, was rested because of a bruised heel.
His condition is to be assessed overnight in the hope that he could return on Monday.
However, Kevin Foley completed full training after shaking off a hamstring injury, while Shay Given and John O'Shea continue to make progress.
The Ireland squad flew out from Dublin on Sunday morning with midfielder Paul Green having replaced Keith Fahey after he aggravated an existing groin problem.
Ajax has released their away soccer jersey for the 2013/14 season. Get in the Gear.
Borussia Dortmund hears Wembley Calling and are headed to London for the Champions League final.
The push for more color on their cleats, adidas has added the infrared colorway to the adiZero f50 Line.
adidas has added some color to the Predator line with this new colorway. Released on May 17. Be the first to own a pair.
The Juventus jersey for the 2013/14 was released earlier this week. Be the first to wear the colors of the Old Lady.
One of the top soccer cleats for control the Nike CTR360 will not let you down on the field in tight spaces.
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.
Chelsea won the Europa League on Wednesday. The Blues defeated Benfica 2-1 on injury time goal from Ivanovic.
Bayern Munich are kings of Germany and hope to be crowned kings of Europe at Wembley later this month!
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.