Top Twins prospect Miguel Sano will have Tommy John surgery, La Velle E. Neal III of StarTribune.com reports. Via MLB.com's Rhett Bollinger (on Twitter), the Twins have since confirmed that Sano will miss the entire 2014 season. Sano has had trouble with his ulnar collateral ligament going back to last season, and he injured it on Thursday while making a throw. MLB.com ranks Sano the fourth-best prospect in baseball (with another Twins prospect, Byron Buxton, coming in at No. 1). Sano, 20, hit .280/.382/.610 between Class A+ and Double-A last season. Here are more notes from the American League. The...

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