Ilkay Gündogan has told ESPN he “didn’t know anything about football” before working with Pep Guardiola, while also praising new boss Xavi Hernández as “amazing” and his Barcelona team as having “huge potential.” Gündogan, 32, left Guardiola’s Manchester City for Barca this month on a free transfer after seven seasons in the Premier League. – Stream on ESPN+: LaLiga, Bundesliga, more (U.S.) – Barcelona’s 2023-24 preseason, summer schedule He won…