Euro 2016: Hidden Truths Ahead of Opening Semi-Final

Wales and Portugal will contest the first semi-final of Euro 2016.

In the video above, Bleacher Report's Sam Tighe and Nat Coombs discuss the hidden truths that could shape this match.

Which player will have to nullify Cristiano Ronaldo? Could Portugal's ever-changing midfield be their downfall? And who could provide the X-factor for each team?