Sergio Agüero has come on for Ezequiel Lavezzi.
And an early chance for Argentina as they get into the German box but Higuain offside.
Messi just fires a shot wide. Wow.
Inside the box, left footed but slides it past the goalpost. Another decent chance there for Argentina and this time Messi the one to miss.
Germany now on edge of Argentina box but Jerome Boateng sends in a chip which finds no one and rolls over the line.
Fast-paced start to the second half.
Boateng with a long ball for Mueller on the edge of the box but Argentina clear.
Mascherano stops a Klose run and clears. Back down the other end and Rojo heads down to Higuain on edge of box but Higuain can't get a shot away.
German back with possession but Argentine defense still holds strong.
Germany get a corner after Schürrle gets into the box.
But a German push sees Argentina kick a freekick.
Neuer pucnhes the ball clear on the righthand edge of his box but took out Higuain at the same time. Higuain down
Higuain is up. No foul called.
Almost on the hour mark. Still no goals. Both sides had clear chances in the first half, best chance so far in this half was Messi's one-on-one which he sent wide.
Philipp Lahm down the righthand side, beats his man and sends in a cross but Klose makes little contact with the header and Romero makes an easy save.
Still 63% possession to Germany. Still Argentina yet to give up a goal in the second stage of the tournament.
Lahm on edge of box tries to but in a through ball but no one chases and it goes over the touchline.
Schürrle down the lefthand touch sends in a low cross for Ozil but it bounces just before it gets to the Arsenal man and he can't get a decent strike on the ball. It rolls out.
Down the other end and Argentina get a corner after some good work by Sergio Agüero.
Messi takes the corner but Sergio Agüero sends a header well over the goalposts.
Germany play around at the back and Neuer sends the ball into touch giving away possession.
- Yellow Card
Javier Mascherano with Argentina's first card of the game after he took down Klose during a German counter.
- Yellow Card
Sergio Agüero now with a yellow card after a late tackle on Schürrle.
Argentine fans are singing in full voice. Messi takes a freekick from far out and Germant clear. Really getting to the point that whoever scores now will win.
Mascherano with a great long ball to Higuain who fires in a low cross to Rojo but Germany deny a shot on goal.
Schürrle with the ball at his feet just eight metres from goal but he can't get a shot off.
Germany starting to break the Argentine line now but just can't get a final shot off.
20 minutes to go in the final. Can still go either way.
It may be 0-0 but it has been end to end stuff for most of the 70 minutes so far. Credit to both defenses so far.
Long ball for Messi down the righthand touchline but his first touch fails him as the ball roles over the sideline.
Messi with a run across the front of the box but his attempt to curl the shot into the goal doesn't come off.
Starting to think of the 1990 final between West Germany and Argentina. 0-0 up until the 85th min when the Germans scored a penalty to win the World Cup.
Gonzalo Higuain comes off. Rodrigo Palacio on.
Messi on edge of box again with a little touch to Palacio but Neuer gets there first. Germany on thwe break now bu flag goes up with Mueller caught offside.
Actually it's a corner to Germany.
Germany attempt the same move which saw Mueller score the opener against Brazil but Argentina are onto it.
But Germany still on the attack
Hoewedes with the ball at his feet right near the penalty spot but can't get a shot away.
Into the final 10 minutes now. Germany with a decent new chances in the last two minutes but can't get a decent shot on goal. They have another one as Lahm picks out Kroos on edge of box unmarked but he sends the shot wide.
There is a streaker on the pitch but TV aren't showing them. Let's just assume it's Neymar.
Messi tries to find Agüero in the box but the Man City striker slips and the ball rolls to Neuer.
Argentina set to make another change.
German hold possession inside the Argentina half. Wouldn't put it past one of these teams scoring a late winner. They've both had their chances.