Simplify the following text for a Grade 5 native English-speaking person.
Original: Jakob `` Jaap '' Stam ( born 17 July 1972 in Kampen ) is a retired Dutch football player who was twice voted best defender in the 1998 â `` 99 and 1999 â `` 2000 UEFA Champions League .
Simplified: Jaap Stam ( born 17 July 1972 ) is a former Dutch football player .