What is "derlei"

Vanderlei Fernandes Silva (born 14 July 1975), known as Derlei, is a retired Brazilian footballer who played as a striker.

He spent most of his 16-year professional career in Portugal (one full decade), having represented all three most important clubs in the country and amassing top division totals of 187 games and 70 goals.

With Porto Derlei won eight major titles, including two leagues, one Champions League and one UEFA Cup.