Morneau said playing in a night game wasn't a necessary step in his return from last year's concussion, but that he was just curious to see how he'd feel.
"I just wanted to see how it was," said Morneau, who hopes to serve as designated hitter against the Rays on Saturday.
2010 Spring Training - null
Sights & Sounds
Spring Training Info
"It's just different. For the most part, the stuff has come on later in the day. So I wanted to see, because we usually play night games during the season, I wanted to see where I was at, and I felt pretty good."
So while Morneau remains hitless in four Grapefruit League games, he drew a walk in his third at-bat and beat Nick Markakis in a race to first base to record an out in the sixth inning.
He said he's continuing to make progress and is almost to the point where the symptoms are a non-factor.
"There are still times up there when it creeps into my mind," Morneau said. "Especially because every time I reach first, the umpire asks me how I feel. But besides that, I try not to think about it."