PSG's David Luiz celebrates with team mates after scoring a goal against Chelsea during their Champions League round of 16, second leg soccer match at Stamford Bridge in London, March 11, 2015. [Photo/Agencies]

LONDON - Thiago Silva's extra-time header sent Paris St Germain into the Champions League quarter-finals on away goals after they overcame the sending-off of talisman Zlatan Ibrahimovic to secure a brave 2-2 draw with Chelsea on Wednesday.

PSG, who had striker Ibrahimovic dismissed after 31 minutes, went through after the two sides battled to a 3-3 draw over the two legs of their last-16 tie.

The deciding goal was headed home in the 114th minute by Thiago Silva, who redeemed himself after he had given away the penalty nine minutes earlier that put Chelsea 2-1 ahead by handling a high cross.

Eden Hazard coolly converted that spot kick in the 95th minute which looked like settling a fiery tie that threatened to boil over several times, but also had plenty of good football.

"Our performance was not good enough," Chelsea manager Jose Mourinho told Sky Sports.

"The opponent was stronger than us, they coped better with the pressure of the games. Because they had 10 men we felt more the pressure of winning and they had nothing to lose.

"We couldn't cope with that, we concede two goals in two set pieces, that is difficult to accept."