The Texans were back on the football field on Friday ... well, the rookies at least.Rookie minicamp kicked off Friday with the team's and a few unlisted tryout players. There were no pads, 1-on-1s, 7-on-7s or 11-on-11s. Mostly just stretching and positional drills as the rookies learned the basics before joining the rest of the team for offseason workouts on May 20. The OTA offseason workouts...