Here's a few pregame notes before we get started here at Citi Field for Mets-Nationals:

-- Jose Reyes is back atop the order for his 2010 debut, but Jerry Manuel wouldn't rule out him batting third at some point in the future. Reyes hit in the No. 3 spot once in spring training - in the only intrasquad game - and ripped a two-run triple in his first at-bat. As for when Reyes could be moved, Manuel offered no specifics.

"That depends," Manuel said. "That depends on where we are as an offensive club and where he is as an offensive player. If we sense that that the move makes us a better team at some point, we'd definitely consider it. That's why we thought long and hard about it all winter."

Early on, at least, Reyes will remain in the leadoff spot because the Mets want to ease him back in a more familiar role. That's why Manuel wanted to experiment during the Grapefruit League schedule. "I would have preferred to do it in spring training," Manuel said.

-- Despite a shaky platoon at first base, and Daniel Murphy's gradual progress rehabbing a sprained knee, Manuel said there are no plans to call up Ike Davis before Murphy is activated from the disabled list. Davis is off to a quick start at Triple-A Buffalo, going 4-for-7 with a pair of doubles and a home run in his first two games.Manuel said he'd be "surprised" if Davis made it to the Mets before Murphy.

-- Alex Cora is starting at second base today as Luis Castillo gets another day of rest for his sore calf. Castillo is expected to start tomorrow, however. Here's today's lineup:

Jose Reyes - ss

Alex Cora - 2b

David Wright - 3b

Jason Bay - lf

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Jeff Francoeur - rf

Gary Matthews Jr. - cf

Fernando Tatis - 1b

Henry Blanco - c

Oliver Perez - sp

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