Texans signing Ra’Zahn Howard after supplemental draft

After going unpicked in Thursday’s supplemental draft and becoming a free agent, ex-Purdue defensive tackle Ra’Zahn Howard will sign with the Texans. Both ESPN’s Adam Schefter and Aaron Wilson of the Houston Chronicle reported the signing, and Howard told Wilson he’s “ready to make the Texans proud.” Howard was a three-year starter at Purdue and…