Brazil captain Thiago Silva is suspended for the semi-final against Germany in Belo Horizonte having been booked twice at Brazil 2014 while star Neymar is injured.

The Selecao have appealed Silva's ban, but robust challenges from the hosts' marked Friday's quarter-final win. Colombia striker James Rodriguez, in particular, was dealt some rough treatment in Brazil's 2-1 victory.

Only two Brazil players -- Silva and goalkeeper Julio Cesar, who conceded a penalty -- were booked by Spanish referee Carlos Velasco Carballo despite the Selecao's 31 fouls against Colombia.

"I am all for hard, clean challenges, but there were one or two tackles which were over the limit," said Schweinsteiger after watching Brazil's win.

"The Brazilians here aren't the magicians of old, the team has changed and so has their playing style.

"Hard challenges are definitely are part of their game, it's something we have to be careful of and the referee too."

Germany head coach Joachim Loew echoed Schweinsteiger's sentiments with FIFA yet to announce the referee for Tuesday's mouth-watering showdown.

"We were flying home when the Colombia game was on, so I didn't see much of the game, but there were a few hard fouls in what I did see," said the 54-year-old.

"The Brazilians have technically good players, but they are also very robust and it's something the referee must pay close attention to."