1. Why wouldn't he be working on his accuracy. He is a 120 million dollar QB. It is his job to do everything possible to improve year in and year out. That is how you survive in the NFL.
2. Like the first question, in order to be a successful QB or NFL player in general, you have to be a student of the game.
3. There weren't many options on the O-Line and the coaches wanted to see what Jensen had after his foot was injured. They couldn't do that if he was on injured reserve. The coaches obviously saw something in him to even draft him. Even this year, they want him to compete with Wagner for the RT spot. He's apparently looking good in OTAs.
4. John Simon is a second year guy. Ravens defenders generally take a couple years to develop (recently Paul Kruger, Arthur Jones, Jimmy Smith). It's pretty normal that Simon isn't being talked about much. Let him develop. He is a hard worker so I have no doubt that he will be a great player. As for McPhee, injuries slowed him down and coaches experimented with him by putting him at OLB so his name kind of got lost behind all these shiny new players. Hopefully he will reemerge if he works hard and doesn't get injured. When healthy, he is a beast.