Boruc's form at club level has come under scrutiny
Celtic goalkeeper Artur Boruc has been dropped from the Poland squad after his poor performance in the 3-2 defeat by Northern Ireland on Saturday.
Boruc was blamed for two goals in the World Cup qualifier, and coach Leo Beenhakker told him he would not play against San Marino on Wednesday.
"Artur was very affected by what happened on Saturday, especially his role in the match," said Beenhakker.
"We both decided that the best decision was for him to go back to Glasgow."
In Belfast Boruc conceded an own goal when a back pass bobbled as he went to kick it, while he failed to deal with the cross that resulted in Northern Ireland's opening goal.
Dundee United's Lukasz Zaluska, who will join Celtic next season, could be in line for a place in the team for the Group 3 match in Kielce, while Arsenal's Lukasz Fabianski is also available to Beenhakker.
Despite being regarded by many as a world-class goalkeeper, Boruc has made a number of high-profile blunders in recent months.
In December, Boruc fumbled Hibernian midfielder John Rankin's "squiggler" shot from over 40 yards into his own net.
And at the start of the Scottish Premier League campaign he dropped the ball to allow Rangers striker Kenny Miller to score from close range in a 4-2 defeat.
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