USMNT: How Walker Zimmerman and Miles Robinson became the backbone of USA soccer's defense | CBS Sports Headlines USMNT: How Walker Zimmerman and Miles Robinson became the backbone of USA soccer's defense Gregg Berhalter has seen the emergence of a stout centerback pairing during World Cup qualifying ESN FeedsThis post … Continue reading USMNT: How Walker Zimmerman and Miles Robinson became the backbone of USA soccer's defense