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CHARLOTTE, N.C. -- After two defensive series that encompassed roughly 10 minutes of playing time, 16 snaps and one bone-jarring hit, Dan Morgan required only three words to capture the feeling of having lined up in a game for the first time in nearly a year.

"I felt normal," the Panthers' standout middle linebacker said following a 24-7 preseason loss to New England.

Not much jaw-dropping insight there, right? True enough.

In fairness, though, the characteristically taciturn Morgan is never much for colorful words, particularly when the subject turns to his many concussions. And think about this: How many normal-feeling days do you think Morgan has experienced since suffering a concussion that prematurely ended his 2006 campaign less than 20 minutes into the season opener?

Morgan hasn't been so impaired by his frequent head injuries since entering the NFL as the Panthers' first-round pick in 2001 that he needs help, say, counting to 10. But the bet here is that the seventh-year veteran doesn't need to take off his football cleats to enumerate those few days when he didn't need an aspirin, or something a bit stronger, to blunt the pain.

Take all those things into account, and Friday night -- Morgan's first action in 348 days -- qualifies as a pretty significant step forward. Feeling normal, something most of us take for granted, for Morgan probably felt euphoric.

And fun, too.

Said right end Mike Rucker, the senior-most member of the defense: "It was great to have (Morgan) back out there. Maybe he didn't have that big fire burning in his eyes yet, but there was definitely a spark there, and it will build. There was certainly no fear, that's for sure."

For the record, Morgan recorded three tackles, all solo hits, or one more than he had for the entire 2006 season, before exiting the game late in the first quarter. In a Super Bowl XXXVIII loss to the Patriots that concluded the 2002 season, Morgan had a mind-boggling 25 tackles, according to the videotape-review grading system of the Carolina coaching staff. The three tackles on Friday night, though, may have been more significant.

His first contact of the evening came on the opening snap, when he was sealed off by Pats right guard Stephen Neal on a two-yard run by Laurence Maroney off the right side. His initial misstep arrived only a snap later, when he penetrated quickly into the New England backfield, but overran the play, as Carolina end Mike Rucker stopped Maroney for no gain.

On a third-and-eight play that closed out Morgan's first series, he halted Maroney four yards shy of the first-down marker.

One other tackle in the running game was recorded when Maroney slipped on an off-tackle play to the left side, and Morgan simply tagged him down. His biggest hit of the evening came on a pass play, when he dropped into the right hash area, read the play, then came up and leveled tailback Sammy Morris after a 10-yard reception.

Somewhat unwittingly, the Patriots served as gracious partners in preparing a game plan that tested Morgan's willingness to throw his body into the fray. Seeking to provide new starting tailback Maroney with enough carries to get him ready for the Sept. 9 opener, New England ran the ball on its first nine snaps.

There was one play on which center Dan Koppen got out quickly and into Morgan's legs. Another when lead-blocking fullback Heath Evans knocked the middle linebacker on his heels. And on two occasions during the second possession, Morgan either allowed a poor first step to take him out of a play or took a bad angle to the ball and got caught up on the interior trash that accompanies most running plays.

Never, though, did Morgan look like a guy with one foot out the door and headed into retirement.

"I didn't hesitate tonight," Morgan said. "And I'm not going to. That's not me."

Still, one has to wonder how many times Morgan has experienced some degree of reluctance, some hesitance in trying to prove to the world that he has overcome his concussions. The former University of Miami star has suffered at least five documented concussions during his career, and there are suspicions that the actual number of head injuries Morgan has suffered is perhaps twice that many. In six years, he has missed 40 games, the equivalent of 2 ½ seasons, much of the idle time attributable to head injuries.

Part of his 20-minute interview after the game was actually spent trying to rate each of his concussions in terms of severity. Morgan seemed to count it as a positive that, unlike some concussion victims, he's never gone out for a drive and forgotten the way home.

During training camp this summer, Panthers' head coach John Fox noted that he felt Morgan was performing well. "But every time you put him out there," cautioned Fox, "you hold your breath a little."

Morgan, 28, isn't big on breath-holding. Or holding anything much else back, either. You can question his sagacity in soldiering forward. Or wonder about Morgan's wisdom at trying to buck the odds in an era in which commissioner Roger Goodell has moved concussions into the consciousness of the public eye. But no one can doubt his passion for the game.

Last summer, in a bid to dramatically reduce the recovery time on his body between practices, Morgan showed at the team's training camp towing a bulky hyperbaric chamber. There were times, Morgan conceded, when he slept all night in the contraption. Unfortunately, no matter how much oxygen you pump into your cranium, it doesn't quickly heal the short-circuited connections concussions bring.

And there could come a time, Morgan agreed Friday night, when his heart tells him to keep playing, but his brain screams, "Enough, already," and finally gets through to him. So far, that hasn't happened, and it's no sure thing he would succumb to his brain's call for mercy, even if it did.

Still, he realizes the next head injury could be the one that puts him into retirement. He detests being a kind of unwillingly unofficial poster boy for the league's new initiatives in concussion treatment. But he doesn't want to be silly or cavalier, either.

In a theme articulated to ESPN.com last summer, and revisited Friday night as the Carolina locker room emptied, Morgan reiterated he knows the difference between life and livelihood.

"One more [concussion] and, really, I don't know what would happen," Morgan said. "Then it would be up to me to make a tough decision. But to make a smart decision. I'm not stupid ... It's not like I just went to one [specialist] this time and said, 'OK, I've been cleared to play.' I've put in a lot of time learning about this stuff.

"And learning it the hard way."

Len Pasquarelli is a senior writer at ESPN.com.