06/16/2008 at 06:25 PM EDT
What a dilemma for Matthew McConaughey.
The actor, who lives in L.A. but recently spent three months in Boston shooting Ghosts of Girlfriends Past
, is finding his allegiances tested during the NBA Finals between the Lakers and the Celtics.
"Who am I cheering for?" McConaughey, 38, who's expecting his first child
with girlfriend Camila Alves, asked fans Saturday on his MySpace blog.
He may not have much longer to wonder. The Celtics lead the best-of-seven series 3-games-to-2, and could win it all when they host the Lakers on Tuesday.
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