Follow this guide to get 4 achievements:
Hospitality and Victories
Defend, Defend, Defend
Concede No Goals
World Cup Winner
Semi Pro, 4 min halves, team: South Africa
Advancing to the knockout stages will get you the Hospitality and Victories achievement. Win each group match 1-0, or you can afford to win 1 match 2-0, this will mean you advance to knockout stages scoring 3/4 goals. Winning with each match without conceding will also mean you gain Concede No Goals achievement.
Continue through the next 4 matches, trying to win 1-0, but you can afford to win 1 or 2 matches 2-0. You should have only scored 9/10 goals after winning the World Cup, then both World Cup Winner and Defend, Defend, Defend achievements will pop.