This is an interesting article that attempts to evaluate the impact of various free agents: Link It is worth a read. As it relates to the Texans, Moulds gets a non-mention and Weaver is mentioned as disappointing. To me, the biggest impact those players had were as mentors. Weaver and Williams were just about inseparable and so was Johnson and Moulds. Not exactly what you want for that money, but it is something both of those players needed.