By Tzvi Machlin Several NFL teams have begun their offseason training programs and the Houston Texans decided to take the opportunity to announce their starting quarterback. Speaking to the media on Monday, Texans head coach Lovie Smith declared that second-year quarterback Davis Mills is their starter. He praised Mills for how he organized informal throwing sessions in the offseason. “Davis is our quarterback,” Smith said, via PFN’s Aaron Wilson. The announcement comes two weeks before the NFL Draft, with the Texans picking third overall and having every rookie quarterback available to select…