Bayern will continue their Champions League title defence against Real Madrid, while Chelsea will square off against Atletico Madrid.
Pep Guardiola admits any of their potential Champions League opponents will prove a tough test, but made special mention of Chelsea.
Real Madrid look set to be without star forward Cristiano Ronaldo for next week's Copa del Rey final, while fears suggest he could also miss their Champions League semi-final.
Gerardo Martino admits Atletico's ability to take their chances made the difference after Barca crashed out of the Champions League.
Atletico Madrid have confirmed Thibaut Courtois is unlikely to face Chelsea, should the sides be paired together in the Champions League.
Diego Simeone believes the 'amazing atmosphere' created at Vicente Calderon played a key role in Atletico's victory over Barcelona.
Arjen Robben believes United's opener on Wednesday was the "wake-up call" Bayern needed to inspire their progress to the semi-finals.
David Moyes insists he is targeting an instant return to the pinnacle of club football following United's Champions League exit.
Bayern Munich booked their place in the final four of the Champions League with a 3-1 victory over Manchester United on Wednesday night.
Atletico booked their place in the semi-finals of the Champions League after beating Barcelona 1-0 at the Vicente Calderon on Wednesday.
Alex accepts that Chelsea were the superior team during the second leg of their Champions league quarter-final clash at Stamford Bridge.
Marco Reus is bitterly disappointed by his club's premature exit from the UEFA Champions League, despite the team's heroic efforts on Tuesday.
Laurent Blanc admits PSG's lack of European experience cost them after crashing out the Champions League against Chelsea on Tuesday.
Pep Guardiola believes there is more riding on Wednesday's Champions League clash against United than just a place in the semi-finals.
- Cech hails determined display
- Jose: We worked like animals
- Chelsea 2-0 PSG
- Dortmund 2-0 Real Madrid
- Atletico prepared for Barca
- Bayern Munich v Man Utd
- Iniesta focused on Atletico test
- Atletico Madrid v Barcelona
- Guardiola expects stern test
- Blanc: We won't sit back
- Metzelder's warning to BVB
- Mourinho: We can beat PSG
- Dortmund v Real Madrid
- Chelsea v Paris St-Germain
- Evra: United have to believe
- Confidence crucial for Chelsea
- Rooney could miss Bayern tie
- Union backs Bayern paper ban
- Dante: We've been distracted
- De Gea can't explain form
- Ibrahimovic blow for PSG
- Sahin rues lost opportunity
- Isco in awe of Real defence
- Blanc: Contest far from over
- Rooney denies diving claims