Robbie Keane and Richard Dunne will need no introduction should the pair go head to head during Saturday's Barclays Premier League showdown between West Ham United and Aston Villa.
Keane has told the matchday programme how he and Republic of Ireland team-mate Dunne have been close friends since their teenage years.
Should the duo meet on the pitch this weekend, the 30-year-old has vowed to do his friend no favours and is eager to secure bragging rights over the Villa centre-back.
"Me and Dunney are really good friends and have been room-mates since we were 17 with the Irish team," said the Hammers No34. "The two of us lived in the same area back home in Dublin so we're good pals and it's always fun to play against him.
"Hopefully I'll be shaking his hand at the end of the game and we'll have the three points in our pockets. He's one of the best centre-halves in the Premier League so I'm not surprised he's back in the team there. As for whether he has any bad habits when we room together, I'm not telling you!"
The Hammers No34 answers supporters' in the Fans' Mailbag feature in Saturday's programme, discussing everything from his favourite stadium to the story behind his famous 'forward roll' celebration.
ORDER YOUR COPY OF THE MATCHDAY PROGRAMME NOW!
Elsewhere in Saturday's packed issue - the 25th of a busy and dramatic season - Gary O'Neil discusses his memories of past relegation battles and captaining a young Carlton Cole.
The 2010/11 End of Season Awards are launched, with supporters given full details of how to cast their vote for Hammer of the Year, Goal of the Season and a host of other awards.
With Saturday's fixture raising awareness and funds for the Bobby Moore Fund for Cancer Research UK, there is also the latest news from the charity founded in memory of the Hammers and England legend.
Aston Villa defender Luke Young and little brother Jake - a first-year scholar in West Ham's Academy - talk about football and family, while talkSPORT's Ian 'Moose' Abrahams talks to Villa great Andy Gray and Hammers-supporting EastEnders actress Carol Murphy.
Alan Stephenson is the subject of 'Where Are They Now?', while there is also the latest from the club's reserve, youth and Ladies teams and Community Sports Trust, plus the popular historical features 'We Played Them Only Once' and 'Boys of '86'.
All in all, supporters cannot afford to miss out on grabbing their copy of Saturday's matchday programme. Priced £3.50, it will be on sale in and around the Boleyn Ground, as well as in the Stadium Store. Alternatively, order online by following the link above.