DeChambeau, who turned 27 this week, won the tournament by a comfortable margin of six strokes.
Finding suitable squad replacements appears to be just as stressful as dealing with contract extensions of vital players.
After Beijing jumped to a 13-4 lead in the third set, Yunan called a time-out, closing it to one point at 20-21, and called another time-out but failed to level it even.
But he has fallen out of favor under Atletico's current manager Jorge Sampaoli and has not played for the club since March.
An official with the committee said they will shift the focus to the preparation of next year's event, and try to stage an event with higher specifications, more international vision, greater influence and higher quality.
Semedo's sale to Wolverhampton Wanderers means the defense virtually picks itself with Sergi Roberto, Jordi Alba, Gerard Pique and Clement Lenglet continuing together, while Ter Stegen's knee operation means Norberto Neto will make a rare start.
Flamengo went ahead in the sixth minute when Pedro slotted a cool finish past Argentinian goalkeeper Javier Burrai after a surging run and defence-splitting pass from Gerson.
Leipzig started their 58th Bundesliga season with a win and will face Bayer Leverkusen in the second round on Saturday. Enditem
There is also a slight doubt over Martin Odegaard, who returned from loan from Real Sociedad over the summer and was in the starting 11 to face his former club a week ago.
Pakhtakor's qualification to the Round of 16 from Group B was confirmed after Al Hilal failed to name the required 13 players for their match against Shabab Al Ahli and thus were deemed to have withdrawn from the competition. Enditem
Cheruiyot, the world 1,500m champion, will race over 800m. The 24-year-old has a personal best of 1:43.11 in the event from August 2019 during the Kenyan national championships in Nairobi.