South Africa close in on Series title at Edmonton Sevens

Canada's Alysha Corrigan, front left, passes the ball as Britain's Megan Jones grabs her during a women's HSBC Canada Sevens rugby match in Edmonton, Alberta, Saturday, Sept. 25, 2021. (Jeff McIntosh/The Canadian Press)

Hong Kong's Russell Webb, right, gets past Mexico's Jose Larraga Martinez during Canada Sevens rugby action in Edmonton, Alberta, Saturday, Sept. 25, 2021. (Jeff McIntosh/The Canadian Press via AP)

Ireland's Jordan Conroy, right, fends off Britain's Robbie Fergusson during an HSBC Canada Sevens rugby match in Edmonton, Alberta, Saturday, Sept. 25, 2021. (Jeff McIntosh/The Canadian Press)

Canada's Jake Thiel, right, battles for the ball with South Africa's JC Pretorius during Canada Sevens rugby action in Edmonton, Alberta, Saturday, Sept. 25, 2021. (Jeff McIntosh/The Canadian Press via AP)

Kenya's Alvin Otieno, center, is tackled by Spain's Alberto Carmona, left, and Josep Serres during an HSBC Canada Sevens rugby match in Edmonton, Alberta, Saturday, Sept. 25, 2021. (Jeff McIntosh/The Canadian Press)