"The club had shown with a player like Christian Pulisic that they were going in the right way, playing youngsters and giving them a chance", Sancho said.
In 2018/19, the England global has so far found the back of the net against the following teams: Nurnberg, Stuttgart, Schalke, Borussia Monchengladbach, Hoffenheim, while netting a brace against Hertha Berlin.
"You feel you have something more to prove", he told ESPN.
"This is a insane year for me and I am thankful for the team around me". You know the English teams are reaching Under-17, Under-19 (finals) compared to the German ones. "You and me will stay together, you made us happy, you brought us joy, you were a special baby boy".
Hoffenheim continued frenetically and their efforts paid off as Ishak Belfodil wrapped up his brace after nodding home the 3-3 from inside the box to upset Dortmund.
The number is lower at Bayern Munich where Thomas Mueller and Austria's David Alaba are the only first-team regulars to have graduated from the academy.
England winger Sancho, at 18 years and 321 days, is now the youngest player to score eight Bundesliga goals in his career.
Dortmund, which drew at Eintracht Frankfurt last weekend, was missing coach Lucien Favre due to illness, and with Reus also out due to a muscular injury in Tuesday's German Cup exit to Werder Bremen, there were fears of a tough game against old rival Hoffenheim, which is fighting for European qualification.
Dortmund thought they were ahead when Stefan Posch's clearance went in off Sancho, only for the referee to rule it out after consulting VAR.
"I think the most important thing is not to make promises you can't keep", said Zorc. We mainly watched him for his matches with the Under-17s of England and of course when he played for Man City in the youth league games.