#3 Pat Jennings (Northern Ireland) - 41 years
Former Northern Ireland, Arsenal and Tottenham Hotspur goalkeeper, Pat Jennings is the third oldest player to appear in a FIFA World Cup fixture. It was a game in which Northern Ireland was beaten 3-1 by Brazil at the 1986 Mexico WC.
Jennings began his career in England with Watford in 1963 and spent a season at the club before moving to Spurs. He went on to play over 450 times for the club during a 13-year spell with the North London club. In 1977, Jennings joined rivals and neighbours Arsenal and made over 200 appearances for the Gunners.
Jennings won an FA Cup each with the two North London clubs and was also capped 119 times for Northern Ireland. Jennings is the most capped player for his country and enjoyed a fruitful career that lasted 22 years.