Borussia Dortmund are confident that England winger Jadon Sancho will return to the Bundesliga club on loan for the rest of the season from Manchester United, CEO Hans-Joachim Watzke said on Monday. "I am cautiously optimistic. We want him to join us, but we are not yet at the stage where we can announce results," Watzke said. "We're not announcing any progress reports. The problem is no longer with us, we are in good dialogue with Manchester United." Reports last week suggested that a deal coul