Are Poland any good? What's up with Senegal's nickname? The Exploding Heads ponder that and more in their Group H preview. The shoulder injury suffered by Poland's Kamil Glik will most likely exclude the defender from the World Cup squad, the team doctor said on Tuesday. It will take at least six weeks until Glik is ready to restart training, Jacek Jaroszewski said in a news conference. "In my opinion, the situation is bad," Jaroszewski said.