Raiders camp notes

NAPA, Calif. -- Random notes from Oakland’s morning practice Friday:

I got the chance to catch up with Raiders coach Tom Cable and I asked him about all the talk about his team potentially playing some 3-4 defense. Like he said earlier in the offseason, Cable reiterated that the Raiders will primarily be a 4-3 defense, but they could show some 3-4 looks.

Still, I don’t expect, at this point, for Oakland to show too much of the 3-4. Cable said it is too difficult to simply switch back and forth from the two very different alignments and still remain an effective defense.

Cable acknowledged that Oakland has added several defenders who appear to be natural fits for the 3-4 including linebackers Kamerion Wimbley, Rolando McClain and Quentin Groves and defensive end Lamarr Houston. Oakland added defensive lineman Richard Seymour last year. He came from a 3-4 background.

Cable said Oakland was looking for bigger, more physical players, especially at linebackers and most of those types of players are 3-4 types. But he is pleased with the way each of these players are fitting into Oakland’s 4-3 base.

Cable said the Raiders have to become better at utilizing standout tight end Zach Miller in the red zone. He said the staff did a “poor” job of it last year. Oakland scored just 17 touchdowns last season. Miller, who had 66 catches last season, scored just three times. The addition of new quarterback Jason Campbell should help Miller’s cause in the red zone. Campbell’s former team, Washington, often used the tight end in the red zone.

Cable continued to join his players for post-practice 100-yard runs.

Houston moved around the defensive line some Friday even though he has been the starting left end.

The Raiders worked on third-down situations in the morning.