RICHMOND -- Checking in from the mid-point of Wednesday's training camp session...
* Two defensive backs in and two out. The biggest name of the bunch, safety Phillip Thomas, who was waived Wednesday along with injured corner Tevin Mitchel. Thomas, selected in the fourth round of the 2013 NFL Draft by Washington, was at times viewed as a future starter, but injuries kept him off the field. The odds of him making the team this season decreased after the Redskins added Dashon Goldson and Jeron Johnson this offseason.
* The Redskins announced the signings of cornerbacks Bryan McCann and DreQuan Hoskey. McCann has 35 games of NFL experience.
* Numerous injuries led to the team seeking more corner depth. Head coach Jay Gruden is hopeful cornerback David Amerson can play some against the Texans after sitting out Wednesday with a shoulder injury. Bashaud Breeland is out 4-6 weeks with a sprained MCL and DeAngelo Hall is working his way back into form after missing most of last season with an Achilles injury.
* Linebacker Junior Galette is not expected to practice during the three days Houston visits Richmond.
* Even though the quarterback topic is always front and center, it was a bit random when Gruden received a two-part question asking how many the team would keep and the current depth chart. The coach said nothing was "etched in stone" but pretty decent chance three make the team. Robert Griffin III, Kirk Cousins and Colt McCoy are the three until further notice.
* Praise for perennial training camp standout Chris Thompson. When asked about the options shaping up in the post-Roy Helu world, Gruden said "Chris Thompson is starting to emerge as a third-down back. Thompson and the other backup runners, including Silas Redd, received more work over the previous two days with Matt Jones (knee) sitting out. Staying on the field has been the issue for the shifty Thompson during his career.
*Nose tackle Terrance Knighton missed practice due to illness. Strong safety Jeron Johnson's lingering hamstring injury remains.
* The Redskins continue changing up the lineups with the right side of the offensive line. Today saw Morgan Moses at right tackle with Brandon Scherff next to him at guard while Spencer Long worked with the second unit. What's worth noting is this isn't the first time we've seen this Moses-Scherff look. Versatility is important, but so is continuity. The more Scherff lines up inside and the more Moses play right tackle with the starters the more it's worth pondering whether this could be the starting look come Week 1 against the Dolphins.
* You know those quality performances from Robert Griffin III we've heard about in recent days? Wednesday wasn't one of them. The Redskins starting quarterback reverted back to those unwanted holding-the-ball-in-the-pocket habits. Some of his wayward deep throws were more hopeful than pinpoint.