Drafted in the 3rd round (86th overall) by the Kansas City Royals in 2010 (signed for $411,000).
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Antonio, who is from the same high school that produced Manny Ramirez, ranked as the No. 56 prospect on BA's High School Top 100 list last fall after a strong showing on the showcase circuit, highlighted by an MVP performance at the Summer Rivarly Baseball Classic Invitational last August at Fenway Park. But scouts were disappointed with him this spring, and his stock dropped. On the right day you'll see him hit well and square balls up, but often he has a big swing with a pull-happy approach. He has a wide open set-up and a big leg kick, and his righthanded swing is longer than it was last year. His 6-foot-2, 180-pound frame generates solid raw power, but he is still learning to tap into it. Scouts say he also has become thicker and slower than he was last year. He was an average runner in the past, but scouts clocked him up the line as slow as 4.6 seconds this spring. He has a tendency to be a little too flashy at short, at the expense of making the routine play. He has good hands but tends to get himself in the wrong position to field the ball, and his arm is fringe-average. He's probably good enough to play shortstop in college but figures to outgrow the position in pro ball. A St. John's recruit, Antonio projects as a sixth- to 10th-round pick.
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The best player to come out of New York's George Washington High since Manny Ramirez, Antonio signed for $411,000 as a third-round pick in 2010. Though he didn't face much in the way of high school competition, he has adapted well to pro ball. He smacked 10 homers at Burlington last summer and is ready for low Class A at age 20. Antonio has plus power potential with a long swing that will bring both home runs and strikeouts. He'll have to improve his ability to lay off balls off the plate at higher levels. He's an average runner. Because the Royals have a surplus of middle infielders projected to play at Kane County in 2012, Antonio will get to play some third base in addition to his usual position of shortstop. That move will serve him well, as he may outgrow shortstop in the long run. He has good hands, but he tends to bend at the waist rather than his knees, which limits his below-average range. He has a strong if erratic arm that would fit fine at the hot corner, though he needs to be careful about getting on the side of the ball in his release.
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