Champions League 2017: Live Stream, Odds for Wednesday's Round of 16 Matches

Barcelona and Borussia Dortmund face difficult tasks during Wednesday's UEFA Champions League action, as both teams have to turn first-leg defeats into a ticket to the next round against Paris Saint-Germain and Benfica, respectively.

The Germans are in a better position after their 1-0 loss in Portugal, while Barcelona face a mountain to climb following a 4-0 defeat in Paris. Here's a look at the match odds, courtesy of OddsShark.com:

Benfica 5/1	Draw 3/1	BVB 53/100
PSG 9/2	Draw3/1	Barcelona 57/100

Fox Sports and BT Sport will offer live-stream options for both matches, which kick off at 7:45 p.m. GMT (2:45 p.m. ET).

Barcelona will need one of the biggest comebacks in Champions League history to advance to the next round, as PSG visit the iconic Camp Nou with a four-goal lead.

The Blaugrana have impressed in their last two matches, and confidence is high going into the match. Per the club's official Twitter account, manager Luis Enrique believes:

The 5-0 defeat of Celta Vigo in La Liga during the weekend was impressive and highlighted the team-oriented style that has worked the last few matches. Lionel Messi has been the saviour on many occasions this season, but the squad performs far better when everyone chips in.

Barcelona are more than capable of scoring four goals against anyone, including Les Parisiens. PSG's defence is elite, but the Catalan attack is out of this world when everything's clicking.

The bigger concern will lie on the other side of the pitch. Barcelona's defence has been leaky at best this season, even against some of La Liga's smaller teams―both Leganes and Sporting Gijon have found a way through in recent weeks.

And PSG are no slouches in front of goal. Edinson Cavani has been liberated since the departure of Zlatan Ibrahimovic, and he does a lot of his damage away from home, as shared by WhoScored.com:

Barcelona will have to attack on Wednesday, so it might be a good idea to bet on the Blaugrana to win the match. Advancing from the tie is a whole different story, however―it'll take a miracle to knock off Les Parisiens.

In comparison, Dortmund's task against Benfica is a lot easier. The Portuguese side beat BVB 1-0 at home and will go looking for the all-important away goal at the Signal Iduna Park.

BVB have numerous injury concerns entering the match, and, in all likelihood, the attack will be led by youngsters like Ousmane Dembele and Christian Pulisic, with Pierre-Emerick Aubameyang the only veteran option on the pitch.

There's reason to believe the youngsters can hold their own:

Benfica have an impressive pedigree and a superb record of late, but the vast majority of their losses have come away from the safety of the Estadio da Luz. The Signal Iduna Park can be a daunting place for opposing teams―expect the German fans to make life very difficult on the visitors.

That should aid toward a BVB win, but don't be surprised if Benfica do find that away goal they so desperately want.