Donald Penn’s return and other notes from Raiders first OTA practice

Each step of the Raiders offseason is another milestone as we see how Jon Gruden’s team is going shaping up. There is still a lot that is in flux, but here is what I observed on Tuesday’s practice

Connor Cook was taking the second team reps. This happened last offseason as well, but by the time mandatory minicamps came around, EJ Manuel had clearly outplayed Cook to take the number two spot — a position he didn’t relinquish. Cook appears to be getting an even shot again, so we’ll see if he has made progress from last year.

The wide receiver depth chart looks like you might expect based on the skillsets of those on the team now. The starters are Amari Cooper and Jordy Nelson. When Martavis…