By Lizzy Becherano North Carolina Courage defender Carson Pickett will join the US women’s national team in Europe, replacing Emily Fox as she follows concussion protocols. Fox earned the start against England at Wembley on Friday, but left the pitch after just 22 minutes when taking a hit to the head. In order to ensure her safety, the defender was placed under strict concussion protocols that bar her from playing in the upcoming friendly against Spain. Now, Pickett joins as the American side look to rebound from their 2-1 defeat to the Lionesses when meeting Spain in Pamplona on Tuesday. The…