In 2013 the Kansas City Royals will be for real.
The Detroit Tigers have won the American League Central the last two consecutive seasons, and after winning the AL crown and earning a trip to the World Series last season, the Tigers will undoubtedly be favorites to repeat as division champs.
But Detroit's biggest hurdle in its quest for a division three-peat may be one of the least expected candidates.
Unlike the reputation they have built over the last couple decades, the Royals have made several bold moves this offseason, acquiring big-name talent, and bolstering their roster with players who will make an impact now, as opposed to with prospects who will help down the road.
According to ESPN.com's Jayson Stark, the Royals are the third-most improved team in the Major Leagues between the end of the 2012 season and now, and because of their on-paper resurgence, the Royals could challenge the Tigers for AL Central supremacy.
Here are the five reasons the Tigers have to watch out for the Royals in 2013.