Many Chinese netizens also showed understanding towards Lin's decision, while also speculating on his next move.
Alcantara will be only Liverpool's second signing of the summer after the arrival of left-back Kostas Tsimikas, who will provide backup to Andy Robertson, even though other sides, such as Liverpool's weekend rivals Chelsea, have been more active in the transfer market.
It was short-lived joy for the hosts though, as Hoffenheim had the last laugh when Kramaric unleashed a 15-meter hammer to snatch the 3-2 win in injury-time.
Bakambu and Augusto helped Beijing grab another score by exchanging their roles in the 46th minute. Bakambu converted a header with the assist of Augusto to make it 2-1.
Fans are seen in the Deutsche Bank Park prior to a German Bundesliga match between Eintracht Frankfurt and Arminia Bielefeld in Frankfurt, Germany, Sept. 19, 2020. About 6,500 fans were permitted to enter the stadium to watch the German Bundesliga match between Eintracht Frankfurt and Arminia Bielefeld in Frankfurt on Saturday. (Photo by Kevin Voigt/Xinhua)
In the opening game, the Viola scored the winner in the 78th minute as Gaetano Castrovilli tapped in from Federico Chiesa's assist.
Athletico capitalized on the numerical advantage when Walter, unmarked inside the 18-yard box, struck his first goal of the campaign.
The 46-year-old talked about the efforts to, in the future, find talented young Chinese players to join the club in the Rhine-Ruhr-region.
"We had chances to score in the first half, but we missed all of our good chances," Tuchel said.
The trial will run until the end of October. The situation will then be reevaluated in six weeks.
Elsewhere, Hebei took a lead in the 10th minute, when Buya Turay's long distance pass found Ricardo Goulart in the box, who volleyed to the corner of the net.