Which Las Vegas over/under win totals are the best bets?

It's a Spring Training tradition like any other: the release of the first batch of over/under win totals. ESPN's Jonah Keri tweeted out this link to the first batch of this year's over/unders, from Atlantis in Las Vegas. Looking at the totals, there are a lot of interesting looking bets. Here's what I think are the eight best bets coming out of the first totals of the season. Baltimore Orioles: OVER 76 1/2 wins. The Orioles are probably going to regress in 2013. But are they going to regress by at least 17 wins? That seems like a huge stretch, even if they outperformed their Pythagorean record by 11 games last season. Personally, I don't think the Orioles are a playoff team in 2013 (as of right now at least), but I see them hovering around .500, and easily clearing the 76 win benchmark. Chicago Cubs: UNDER 72 wins. It's not about success at the major league level for the Cubs. They didn't vastly improve their team from a year ago, and there's a ve...