In a disappointing outing for RB Leipzig, they fell to a 3-1 defeat against Celtic on Tuesday night, continuing a troubling run of form across all competitions.
Borussia Dortmund's 7-1 victory over Celtic on Tuesday in the Champions League had fans buzzing, primarily due to the stunning performance of Karim Adeyemi.
Brighton have signed Danish midfielder Matt O'Riley on a five-year contract from Celtic.
Celtic have completed the signing of Denmark goalkeeper Kasper Schmeichel on a one-year deal.
Rangers defender Leon Balogun admits his side were second best in their 1-0 Scottish Cup defeat to rivals Celtic on Saturday.
Virgil van Dijk has introduced a new pre-game ritual to his Liverpool team-mates, after taking over the captaincy from Jordan Henderson.