But Flamengo defended stubbornly thereafter to secure their third win from four matches.
"As always, your encouraging words and support meant the world to me and I look forward to getting back on the court and competing for Canada next year," the 20-year-old added.
"You did not deserve for them to throw you out like they did. But the truth is that at this stage nothing surprises me anymore."
"These are strange moments, and it is difficult to accept, but you have to accept it," he insisted.
Huanghai got the opener in the 37th minute when Gao Xiang headed in left-back Yang Yu's cross.
After winning the match 5-1, Yan now faces Martin Gould.
The 33-year-old, who netted 21 goals last season despite needing a knee operation, was filmed at Barca's training ground in tears on Wednesday and the move could be confirmed in a matter of hours. Enditem
Leicester City will be without Wilfred Ndidi for 12 weeks with a groin injury and he will be an important absentee for their visit to face Manchester City, who kicked off their season with a 3-1 win away to Wolves, who visit West Ham.
Seven minutes later, Caio Lucas added his name to the scoresheet as Sharjah rounded off the scoring.
The Celta captain opened the scoring after receiving a pass from Nolito after 15 minutes in an entertaining match which saw Celta play some impressive football.
After losing a goal, Wuhan dominated goal possession for a long time but failed to convert. In the second half, Wuhan brought on five substitutes but showed little efficiency in its attacks. In the 86th minute, Marcao extended the lead for Hebei and nailed the game 2-0.