I lean towards the Sox ATM but as Ecclesiastes said, the race is not always to the swiftest, nor the Pennant to the team with the most regular season wins.
I know it could be called a homer pick (and I'm OK with that), but I would go with the Astros.
I think they have the best pitching staff when you figure in starting pitching and relievers.
They don't have a weak real spot in the lineup. I am concerned that Correa is not putting up Correa numbers, but you could do worse with the 6 spot in the line up.
They got a bit of a break by getting the Indians. Either the Yankees or Red Sox will be elliminated in their series and the winner might have a used up bull pen by the time that series is over.
My gut tells me that it's the Red Sox title to lose this year. My heart tells me that the Yanks will do it, but my head knows better than to listen to my heart. It's a struggle, y'all. haha