ASHBURN, Va. -- It's unusual to hear a professional athlete say he's not good enough. That's how far Albert Haynesworth has sunk to keep from playing nose tackle in a 3-4 defense.

"I'm not good enough to play the 3-4," Haynesworth said Thursday.

The player, whose stated goal is to become the greatest defensive lineman in NFL history, held his first midweek question-and-answer session this season. It was hardly a coincidence that it took place after his best game since he signed with the Redskins last year. He had his first sack since 2009 and made a key goal line stop in Sunday's 17-14 win over Chicago.

"Now that we've changed some of the things that I do, it's helped a lot," Haynesworth said. "I don't have to think as much on the field -- I can just go out and play."

In another development, Haynesworth was fined $7,500 by the NFL for unnecessary roughness for a hit on Bears offensive lineman J'Marcus Webb on Sunday, a source told ESPN senior NFL analyst Chris Mortensen.

As the halfway point of the season nears, Haynesworth has settled into a role as a part-time player, happy not to be a regular part of the team's "Okie" run packages. He's not the starting nose tackle -- as was envisioned when the Redskins switched to the 3-4 scheme this season -- and instead is playing mostly in nickel packages as a "three-technique" tackle, the role he had during much of his seven seasons with the Titans.

"We just kept working at the Okie, and I wasn't coming along to be able to be the starter in that stuff," Haynesworth said. "And I was like, 'Hey, let's focus on the stuff that I know and you'll see a lot more production out of me.'"

It was Haynesworth's aversion to the 3-4 that led to months of offseason drama. The Redskins offered to release him if he didn't take his $21 million contract bonus on April 1, but he accepted the money. He later asked to be traded, skipped offseason practices, needed 10 days to pass a training camp conditioning test, traded verbal volleys with coach Mike Shanahan and was well behind learning the new scheme.

In fact, he never caught up. And it doesn't sound as if he wants to.

"We've got a guy in front of me who can play the 3-4 better than I can, so whatever helps the team," Haynesworth said. "I do get to the play the nickel and I play well in that, so that's when you see me in there."

Defensive coordinator Jim Haslett said there came a point when the defense had to punt.

"Trying to get him to do the 3-4 stuff was trying to get a square peg into a round hole," Haslett said. "We tried to force the issue, and it hasn't worked out the way that we would like. I still think he can do it because he's a good athlete and he is athletic and smart and tough enough to do it."

Haslett estimated he's called the Okie formation 35 percent of the time this season, but that's because the Redskins have played such pass-happy teams like Green Bay and Indianapolis.

"He can do anything he wants to do -- he's just got to want to do it," Haslett said. "It's more of a mindset than anything."

Doesn't he want to be a starter?

"I would like to start and start playing like I used to ... but right now I'm fine with it," he said.

Haynesworth has missed three of seven games this season, including back-to-back games after the death of his half brother. Teammates point out the huge impact he can make if he's playing regularly -- even if it's mostly in the nickel.

"So much has happened the first part of the season," defensive lineman Vonnie Holliday said. "He's gone through an emotional roller coaster, the tragedy with his family, coming into a bad situation through training camp and so many things. So many distractions, but it seems like now his focus is there, he's had some time to grow in this defense and learn the technique.

"He's just going to continue to grow in this scheme. Who knows? Maybe one day he will like it."

So what does Haynesworth have as his goal for the rest of the season?

"Keep playing and help the teammates, and make plays and I guess get noticed more," he said, "so people will say I'm not a bust or whatever."

Does he think he'll be with the Redskins next season?

"I don't know. I have no clue. Right now, if I just keep playing, I'm going to be somewhere."

Once the session was done, Haynesworth was asked whether he'll speak again next week.

"What is this? Week 8?" he said as he walked away from the podium. "I'll see you at Week 16."

The Associated Press contributed to this report.