Chelsea duo Petr Cech and Raul Meireles both played important roles for their respective countries on Friday night in the pursuit of a place in Euro 2012.
Cech was a doubt for the first leg of the Czech Republic's tie with Montenegro after breaking his nose against Blackburn last weekend.
However, the goalkeeper was passed fit and was required to wear a face mask in order to protect his nose from any further damage.
The Chelsea custodian made a fine save with the score at 0-0 to keep his side in the game, before Vaclav Pilar of Viktoria Plzen gave the hosts the advantage just after the hour.
Tomas Sivok made it 2-0 in stoppage time, and the Czech Republic travel to Montenegro on Tuesday firmly in the driving seat.
Portugal, meanwhile earned a commendable 0-0 draw away to Bosnia and Herzegovina, although they did domintate for periods of the game.
Meireles twice game close to scoring for Paulo Bento's side before his was substituted with eight minutes remaining.
Portugal came under pressure from the home side in the closing moments, and did well to withstand the onslaught.
They now know a win will be good enough to see them through to next summer's tournament.
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