Borussia Dortmund coach Thomas Tuchel admitted that his side made too many mistakes in defense and midfield which ultimately cost them the match against newly promoted RB Leipzig.
An 89th minute goal from Leipzig midfielder Naby Keita helped the club to secure their maiden victory in the Bundesliga.
And Tuchel revealed that Dortmund could not live with the high tempo pressing of the newcomers.
“It was obvious that we made too many errors in defence and in the central midfield area,” Tuchel told a press conference.
“There were many technical errors and a lack of concentration. Since we were very defective that meant that we never had the feeling of being dominant.
“We had enough half chances to create some clear chances, to take the lead and to win the game also.
“We did not manage to do it, and, at the end, we then conceded a goal that had not been expected.”