Jorge Sampaoli relishing a chance to change history as Chile take on hosts Brazil

• Chile have been knocked out by Brazil in their last two World Cups
• Hosts 大規模な favourites for last-16 衝突／不一致
• Gary Medel and Arturo 決定的な both 疑問s for Chile

By Andrew Cawthorne

Published: 00:29 BST, 28 June 2014 | Updated: 00:38 BST, 28 June 2014

除去するd three times by Brazil in past World Cups, Chile 公約するd a fearless and fighting approach on the eve of Saturday's second 一連の会議、交渉／完成する ノックアウト game against the hosts and favourites.

にもかかわらず the combative talk, 'La Roja' are sweating on the fitness of two 重要な players - midfielders Gary Medel, known as 'The Pitbull', and Arturo Vidal, 愛称d 'King Arthur' - for the 対決 at Belo Horizonte's Mineirao stadium.

Brazil, who will again be 叫び声をあげるd on by legions of fans 推定する／予想するing nothing いっそう少なく than a sixth World Cup, knocked out Chile with 親族 緩和する at the same 行う／開催する／段階 in their last two 外見s, 2010 and 1998.

Fitness race: Both Vidal (left) and Medel (権利) are 疑問s for Chile as they 準備する to take on Brazil

Man with a 計画（する）: Sampaoli is 奮起させるd by a chance to （警官の）巡回区域，受持ち区域 Brazil in 前線 of their own fans

They also broke Chilean hearts in 1962, （警官の）巡回区域，受持ち区域ing them in the 半分-決勝戦 when 'La Roja' were hosting the tournament.

'It's not by chance that Brazil won those matches. They've won the World Cup five times. Statistically, they're the best team in the world,' Chile coach Jorge Sampaoli told reporters.

'But we have a chance to change history. We will play with courage as we did in the qualifiers and the group. If we don't fight against a team that has the whole stadium, the whole nation behind them, then the result will be やめる （疑いを）晴らす.'

Chile's 2-0 敗北・負かす of 統治するing 支持する／優勝者s Spain sent shockwaves 一連の会議、交渉／完成する the world and 確認するd the strength of the South Americans' 積極的な and pacy team.

'Chile have 改善するd a lot, we have developed a lot, nowadays we can play without 恐れる. Chile will play to 勝利，勝つ. We don't want to be forgotten. Brazil already have a beautiful history, we want to make a history of our own,' he said.

Ready: Barcelona's Alexis Sanchez will 向こうずね in a Chile shirt because he is 高く評価する／（相場などが）上がるd says Sampaoli

The Argentine coach 認める Medel would not have played if the match had been on Friday 予定 to a muscle 傷害 in his left 脚, but held out hope the defender might 回復する in time for Saturday's lunchtime kickoff.

'Today he wouldn't play, tomorrow maybe. Let's see if the next 24 hours 許す him to play. Like Arturo, he's not 100 パーセント,' Sampaoli said.

Vidal is still 苦しむing the 影響s of 最近の 膝 外科.

One of the few advantages Chile have is that their training base is just a few miles from the Mineirao stadium, so although the atmosphere will be 敵意を持った on Saturday, the city at least has felt like home over the last two weeks.

Chile do not 計画（する） to man-示す Neymar, but will 捜し出す to 窒息させる Brazil's 主要な man at every turn, the coach said.

At the other end, they are relying on Barcelona 今後 Alexis Sanchez to do the 損失. Sampaoli said it was no wonder he played better for Chile than he did for the Spanish club.

Third time lucky: Chile have been knocked out by Brazil in both of their last two World Cups 外見s

'Alexis feels very comfortable with the 国家の team. He knows that he's 高度に 高く評価する／（相場などが）上がるd by his 同僚s.

'So that's why he's playing so 井戸／弁護士席. In his club, maybe his team mates don't 高く評価する／（相場などが）上がる him so much,' he said.

'I think he's got enough 資産s to be one of the best players in the world.'

Defender Eugenio Mena echoed his boss's 信用／信任, 説 Chile's 業績／成果s in （警官の）巡回区域，受持ち区域ing both Chile and Australia at the group 行う／開催する／段階 had won them 尊敬（する）・点 around the world.

'It's the most important match in my career. It's a beautiful 適切な時期 for us to change history for our 国家の team. Our team is very 動機づけるd. We're 納得させるd we can 勝利，勝つ.'