Reaction to all of the action from the NFL Wildcard Weekend that was big wins for the Texans, Packers, and Bucs. Just how good are the Chiefs after they beat the Dolphins? Did the Lions deserve to beat the Rams? And how can we improve the NFL's challenge system?

Plus Louis Rees-Zamit ditches Rugby Union to pursue a career in the NFL, City beat Newcastle in a five-goal thriller, and Nadal becomes the latest athlete to sign up for Saudi money.