EAST RUTHERFORD -- The Giants opened their doors Thursday for Organized Team Activities. It was the first time this year their newly assembled cast of characters was on the field for the media to observe.

Granted, it was only the second day of offseason practices. The Giants have a lot of work to do before they're ready to play even a preseason game. Still, there was a lot to digest.

Here are some observations:

1. Offense is very West Coast-ish

There had been a lot of speculation about what the Giants' offense would look like under new coordinator Ben McAdoo. The belief was that it would be a West Coast offense in the mold of what the Green Bay Packers -- his former team -- run, with a sprinkle of coach Tom Coughlin's power game.

Until now, it was all talk.

But Thursday we were able to see that the Giants, in fact, have moved into the 21st century. They're installing a spread-'em-out offense that includes three wide receivers on almost every play. They ran a ton of screen passes (most unsuccessfully), quick-timing horizontal pass patterns and three-step drops. It appeared dissimilar to Coughlin and former coordinator Kevin Gilbride's vertical attack.

2. Tight ends on the move

One of the visible differences in the new offense was the way the Giants used the tight ends. They were everywhere. On one play, Adrien Robinson was on the line of scrimmage. On the next, Larry Donnell was lined up out wide as a receiver. On the next, Xavier Grimble was in the backfield as a H-back.

McAdoo seems to have some big plans for whoever his primary tight end (Jermichael Finley?) may be come Week 1. They'll likely be asked to do a little bit of everything, and from every spot on the field.

3. Tilted backup QB battle

The pecking order at quarterback during Thursday's OTAs: Manning, Ryan Nassib, Curtis Painter/Josh Freeman. Manning appeared to take every first-team snap. That was somewhat expected, despite ankle surgery last month.

Seeing Nassib as the primary second-team QB was more of a surprise. It seems to indicate that the Giants are going to give last year's fourth-round pick every chance to be Manning's backup this season. If Nassib (who looked shaky on Thursday) doesn't win that job, it's going to be quite an indictment.

Painter is just another guy and Freeman appeared to be little more than the camp arm the Giants were trying to sell him as after they signed him this offseason. During one drill, Freeman lined up the offense incorrectly and the play was never run. He was immediately subbed out, with Painter taking his place.

4. General observations

Fifth-round safety Nat Berhe looks really small. Tight end Adrien Robinson appeared nimble while making a nice sideline grab. He's still a large man playing tight end. Defensive end Jason Pierre-Paul seems to be in excellent shape. He was running and moving very well. That's huge for this team. They desperately need him to be a double-digit sack guy.

Granted, it was Day 2 of OTAs, but Nassib really struggled completing passes and making accurate throws. He threw four consecutive incomplete passes until he dumped one off to a fullback. Running back David Wilson (neck) may not be cleared for contact, but he was running well during drills. His speed and ability to make sharp cuts really stood out. It reminds you why the Giants drafted him in the first round of the 2012 draft.

5. Depth chart highlights

Stevie Brown was the first-team free safety ahead of Will Hill. Mike Patterson was the first-team defensive tackle in the nickel formation alongside Cullen Jenkins. Spencer Paysinger was the first-team weakside linebacker ahead of Jacquian Williams. Charles Brown was the first-team left tackle ahead of James Brewer (unlike Day 1). Second-round pick Weston Richburg flipped between center and guard. So did Dallas Reynolds.

(Check back Sunday for the full Giants OTAs depth chart.)