Rios has had some bad luck this year.
BABIP since 2006
2006: .346
2007: .324
2008: .335
2009: .291
His career LD% is 20.2%. It's at 18.1% this year, it's cost him around 5-6 hits because of that.
He'd be hitting around .275 if his LD% was at career norm. Add in some other factors and he's probably hitting .285 instead of .262.
Also, moving to the Cell, where the FB/HR rate is 11% will be a 2.5% increase from Rios' career FB/HR rate of 8.6%.
That alone should give Rios at least 5 home runs if he were to call the Cell his home.
He also doesn't play against the Yankees, Red Sox, and Rays a combined 57 times anymore. That's three contenders with great pitching staffs.
I easily see Rios hitting .300 for us with 25-28 home runs and a stellar glove in center field next year.