Caio Alexandre slotted in the visitors' second goal after Kanu's deft chip over Sport's defence left him face-to-face with Polli.
"At the current stage, I put 70 percent in turning to a coach, with the remainder still playing on the court."
Messi admitted Thursday's match did not pan out as the Albiceleste had hoped, rueing his team's lethargy early on.
On the Shandong side, Cao bagged a game-high 26 points, and Yang Hengyu and Wang Yingzhu each scored 15.
Gerardo Martino's men are among five teams that have already qualified for the last phase of 2022 World Cup qualifiers in the North American, Central American and Caribbean (CONCACAF) region. The others are the United States, Costa Rica, Jamaica and Honduras.
The diminutive Coutinho then fired in a rare headed finish when he leaped higher than two Bolivia defenders after another Neymar cross from the left side of the penalty area.
The coach once again asked for patience with 18-year-old Ansu, who scored against Ukraine in September: "We want him to continue growing in a favorite environment," he commented, saying that "of course" Fati and Adama could play in the same team. Enditem
These three players have all been included in the squad for the Champions League along with John Stones, who remains at Manchester City despite his erratic form since joining from Everton in 2016.
"I was expecting another level of play, something else, but it's normal. We haven't played for a year," the six-time Ballon d'Or winner said. "It's the anxiety of the first game. The important thing is to keep growing as we have done since the  Copa America.
Wan Jiyuan led Zhejiang with 25 points. Huang Jiali bagged 22 before fouling out with 3:39 remaining. Wang Jiaqi had 15 points and 11 assists.
Penalty kills turned out to be the key component of the match in Miskolc as three out of five goals were scored on a man-advantage, including the deciding one.