Which four UEFA Champions League ties are finely poised heading into the round of 16 second legs?

After the final UEFA Champions League round of 16 first leg contest finished Wednesday, and the dust had settled, the scene is now set for the second legs starting in two weeks.

Those ties, which will be played March 10-11 and 17-18, could have some very intriguing contests. While some look to be settled, there are others that could be poised to head to extra time, and possibly penalties.

Here are four ties that could go either way.

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1. Borussia Dortmund/PSG (Dortmund leads 2-1 on aggregate, second leg March 11): After a 2-1 win in Germany, thanks to Erling Braut Håland, this tie heads to Paris great spot for neutrals. There will be goals in this contest, and a 2-1 PSG win would send the tie to extra time. PSG has found a way to implode in this spot, and the betting to advance is basically even (PSG -115, Dortmund -107).

2. Juventus/Lyon (Lyon leads 1-0 on aggregate, second leg March 17): After a stunning performance at home Wednesday, Lyon head to Italy with a 1-0 advantage. Juventus is still the favorite to advance at -139 (Lyon is +112), but any type of draw, and the dreams of a title for Juventus go down up in smoke.

3. Barcelona/Napoli (Tied 1-1 on aggregate, second leg March 18): This is clearly not the same Barcelona team from five years ago, and while the Spanish side should win here, Napoli could pull off a surprise. Barcelona (-500) is still heavily favored by the oddsmakers to advance, with Napoli +360.

4. Liverpool/Atlético Madrid (trail 1-0 on aggregate, second leg March 11): While the defending champions lost in Madrid 1-0, there are not many people who think that deficit will hold up at Anfield. Only a Diego Simeone masterclass from Atlético Madrid will do the trick, although a draw sends the Spanish side into the quarterfinals. Liverpool (-122) is the slight favorite to advance past Atléti (+100).