Injuries are a worry for Borussia Dortmund's Thomas Tuchel ahead of their Champions League match against Sporting Lisbon.
Juventus boss Massimiliano Allegri says he has no concerns about how his side are playing ahead of their UCL match at Lyon.
Bayer Leverkusen coach Roger Schmidt has praised Tottenham's Son Heung-Min before their clash in the Champions League.
Borussia Dortmund are top of their Champions League group, but with Madrid and Sporting snapping at their heels, three points are crucial in Lisbon.
Mauricio Pochettino is confident Eric Dier can play his game in different positions for Tottenham.
"It's a big plus for us [that Guardiola] knows them. He knows the team, the club, the stadium and he knows Messi," Gundogan said of Barcelona.