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Day 5 sees three more mouth-watering ties on our screens as the drama continues in Brazil.

The heavyweights of Group G kick off their respective World Cup campaigns in arguably the tie of the group stage in Salvador.

With both sides among the favourites to lift the trophy come Sunday 13th July, fireworks are expected as some of the world’s best players take centre stage.

They don’t come any better than Cristiano Ronaldo, either, who is 4/1 with SkyBet to start his World Cup with a bang by netting the opening goal. You can also have the Real Madrid man at 4/1 to score anytime in a Portugal victory, and his recent record suggests that he’s worth a flutter.

His 11 goals in his last eight international appearances scream for a backing, though he'll certainly have his work cut out against the Germans.

Joachim Low’s side have cemented themselves among the superpowers of international football and come into the game with a strong record against the Portuguese.

Having beaten Portugal in World Cup 2006, Euro 2008 and Euro 2012, the Germans are now looking to continue their winning spell and are 10/11 with SkyBet to do so.

Two years ago in the European Championships, Germany scraped to a 1-0 victory in Lviv, and they're an enhanced 10/1 to repeat their exploits this time around.

With Argentina looking like running away with World Cup 2014's Group F, the race for the runners-up spot is well and truly on.

Bosnia and Herzegovina demonstrated their credentials for knockout-stage progression during their narrow 2-1 loss to Argentina on Day 4, and it's now up to both Iran and Nigeria to do the same.

Nigeria come into the match with the tag of African champions weighing heavily on their shoulders, but they certainly have the personnel to live up to their hype.

The Super Eagles have a wealth of Premier League stars at their disposal, one of whom is Victor Moses, who is 11/4 to score anytime with SkyBet.

Though Iran are regarding as the group's (and tournament's) minnows, they'll be confident of springing a surprise in Curitiba and are 10/3 with SkyBet to kick their campaign off with a shock victory.

World Cup 2014 has already dealt us a shock or two and seeing another on Day 5 is well within the realms of possibility – a 2-1 Iran victory is great value with SkyBet at 40/1.

Though your tired eyes may tell you otherwise, it's well worth staying up for Day 5's final match as Ghana take on the USA in Natal.

With Portugal and Germany expected to dominate Group G, both the USA and Ghana will see Monday’s clash as a real chance for them to put points on the board, and they'll both be going all out for the victory.

These nations met in the World Cup 2010 round of 16, where the Ghanaians booked their place in the quarter-final with an extra-time triumph after seeing out a 1-1 draw in 90 minutes.

It looks like it's going to be tough to separate the sides yet again, and a draw is 12/5 with SkyBet, with the correct score of 2-2 looking good at 12/1.

Though the exclusion of Landon Donovan from the USA's World Cup squad caused uproar, they still have more than enough talent in their ranks to find a goal or two against Ghana.

Sunderland's Jozy Altidore scored a brace in USA’s final warm-up match against Nigeria on 7th June and is 14/1 with SkyBet to do the same on Monday.

The Group G clash will see two stubborn defences collide, and although we're hoping for a thriller at the Arena das Dunas, less than 1.5 goals looks good at 11/4 with SkyBet.

Once again there's plenty for us to sink our teeth into as World Cup 2014 reaches full flow in Brazil, and although it's hard to envision the tournament being any better than it already is, calling the big matches correctly steps the drama and excitement up a few notches.