Former Wales goalkeeper Neville Southall has the most Wales caps, with 92. He is followed by the late Gary Speed, the most capped outfield player who has 85.
They sing "We love you Wales, we do. We love you Wales, we do. We love you Wales, we do. Oh Wales, we love you!" at most matches.
if you mean football then beckenbaur
Bobby Charlton
Sachin Tendulkar from india played most matches in world cup
manchester united!
Sachin Tendulkar has played the most number of World Cup matches.
Manchester city
steve waugh has played most matches in world as captain
Sachin Tendulkar(462 matches)
As of November 2011, the player who has played the most Twenty20 matches is David Hussey - who has played in 159 games between 2004 and 2011.
Association Football i.e. Soccer or just plain Football
The player who has played the most Twenty20 matches as captain of his team, as of June 2012, is MS Dhoni, who has played a total of 119 Twenty20 matches for Chennai Super Kings, India, and the Indians.