Arsenal boss Arsene Wenger would welcome blood tests in football and believes current doping controls are not strict enough to catch cheats.
The Lance Armstrong case in cycling and this week's revelations of widespread doping in Australian sport have again put drugs in sport high on the public agenda, and Wenger does not think football can consider itself immune from such underhand practices.
"Honestly, I don't think we do enough, because it is very difficult for me to believe that you have 740 players in the World Cup and you come out with zero problems," said Wenger.
"Mathematically that happens every time, but statistically, even for social drugs, it looks like we could do better and go deeper."
Wenger continued: "When you have a doping control at UEFA, they do not take blood, they take only urine. I have asked many times (at UEFA meetings) in Geneva (for that to be changed).
"Sometimes you have to wait for two hours after the game, so b...