Pakistan's Muhammad Rizwan. senior, left, lies on the pitch after being hit by a ball as others look. -Photo by AP

Pakistan's Waseem Ahmad (R) is tackled by Argentina's Juan Martin Lopez. -Photo by AFP

Pakistan's Waseem Ahmad (R) is tackled by Argentina's Lucas Martin Reyof. -Photo by AFP

Pakistan's Muhammad Imran (L) scores against Argentina. -Photi by AFP

Pakistan's Fareed Ahmed (L) plays a shot against Argentina's Matias Damian Vila. -Photo by AFP

Muhammad Imran (C) of Pakistan is congratulated by teammates after scoring the first goal against Argentina. -Photo by AFP

Argentina's Lucas Vila, left, and Pakistan's Fareed Ahmed vie for the ball. -Photo by AP

Pakistan's Muhammad Rizwan (R) and Argentina's Facundo Callioni fall. -Photo by Reuters

Argentina's Augustin Mazzilli, right, looks at the ball after playing a shot as Pakistan's Muhammad Tousiq runs. -Photo by AP

Argentina's goalkeeper Juan Manuel Vivaldi (2nd L) fails to save a shot by Pakistan's Muhammad Imran. -Photo by AFP

Pakistan's Ahmed Waseem , center, and Muhammad Waqas, right, congratulate their captain Sohail Abbas for scoring a goal. -Photo by AP

Argentina's Santiago Montelli , front, and Pakistan's Ahmed Waseem vie for the ball as Lucas Rossi, left, watches. -Photo by AP