TV
The show, to air in primetime throughout the Beijing Olympics, Euro 2008 and Wimbledon, will be his first for the BBC since defecting to ITV in 1999.
Ten half-hour episodes of Sports Mastermind will follow the classic specialist subject then general knowledge format.
Lynam said: "Bearing in mind how many people are fascinated by sport, I think this show will be a very popular complement to Mastermind.
"I have always been a fan of the show and I am delighted to be involved."
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