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01/25/11 10:00 PM EST

Top pick Harper No. 3 on Top 50 Prospects

Nats outfielder impressive since being drafted first overall

WASHINGTON -- Outfielder Bryce Harper, the No. 1 overall pick in the 2010 First-Year Player Draft, ranked No. 3 in the annual MLB.com Top 50 Prospect list, which was announced on MLB Network on Tuesday night. Harper ranked behind Angels outfielder Mike Trout and Rays right-hander Jeremy Hellickson.

Harper, 18, has already proven he can play with professionals. He hit .319 with a .407 on-base percentage for the Nationals in the instructional league. He also led the team in several offensive categories, including hits, homers, RBIs and walks.

Harper then went to the Arizona Fall League and wasn't a disappointment, hitting .343 with a home run and seven RBIs for the Scottsdale Scorpions.

Top 50 Prospects
  1. Mike Trout, Angels |
  2. Jeremy Hellickson, Rays |
  3. Bryce Harper, Nationals |
  4. Domonic Brown, Phillies |
  5. Dustin Ackley, Mariners |
  6. Aroldis Chapman, Reds |
  7. Mike Moustakas, Royals |
  8. Eric Hosmer, Royals |
  9. Jesus Montero, Yankees |
10. Julio Teheran, Braves |
11. Desmond Jennings, Rays |
12. Kyle Drabek, Blue Jays |
13. Michael Pineda, Mariners |
14. Mike Montgomery, Royals |
15. Jacob Turner, Tigers |
16. Wil Myers, Royals |
17. Freddie Freeman, Braves |
18. Jameson Taillon, Pirates |
19. Zach Britton, Orioles |
20. Shelby Miller, Cardinals |
21. Mike Minor, Braves |
22. Casey Kelly, Padres |
23. Martin Perez, Rangers |
24. Manny Machado, Orioles |
25. Chris Sale, White Sox |
26. Brandon Belt, Giants |
27. Matt Moore, Rays |
28. Brett Lawrie, Blue Jays |
29. Jarrod Parker, D-backs |
30. Jonathan Singleton, Phillies |
31. Jordan Lyles, Astros |
32. Gary Sanchez, Yankees |
33. Tyler Matzek, Rockies |
34. John Lamb, Royals |
35. Manny Banuelos, Yankees |
36. Lonnie Chisenhall, Indians |
37. Jake Odorizzi, Royals |
38. Nick Franklin, Mariners |
39. Aaron Hicks, Twins |
40. Kyle Gibson, Twins |
41. Wilin Rosario, Rockies |
42. Jose Iglesias, Red Sox |
43. Tanner Scheppers, Rangers |
44. Dee Gordon, Dodgers |
45. Devin Mesoraco, Reds |
46. Brett Jackson, Cubs |
47. Chris Archer, Rays |
48. J.P. Arencibia, Blue Jays |
49. Yonder Alonso, Reds |
50. Christian Friedrich, Rockies |

It was more than just the high batting average that impressed Nationals hitting coach Rick Eckstein. It was Harper's work ethic that blew Eckstein away. Harper spent the AFL season on the taxi squad, which means he could only play twice a week. In between games, Harper worked hard on his offense and defense, and the young outfielder acted as if he was going to play every day.

Eckstein was supposed to help refine Harper's swing, but there wasn't much to refine.

"He attacks the baseball, which is great for a hitter," Eckstein said. "The days that he wasn't playing, he treated those days as if he was playing. He would go out during batting practice and get reads off the bat in right field and center field. He was working to get better in the outfield. It was impressive watching him work.

"Obviously, in batting practice, he was doing well. He was lining the ball around the park and then driving balls [over the fence]. It was very impressive how he conducted his batting practices. He is very advanced at the plate. Mentally, he has a great feel for what he wants to do and a great work ethic for accomplishing it."

Harper, after putting up monster numbers in high school, received a lot of publicity last year when Sports Illustrated referred to him as the "Chosen One," and baseball's version of LeBron James.

Shortly thereafter, he turned more heads when he received his high school equivalency in lieu of becoming a junior in high school, then headed to the College of Southern Nevada to join a junior-college program that plays in a wooden-bat conference.

Having been used primarily as a catcher before being drafted, Harper is expected get to the big leagues sooner playing in the outfield. He is considered an above-average outfielder with a great throwing arm and speed.

In addition to the physical tools, Harper had the stats to warrant being taken No. 1 overall. In 2008 as a freshman at Las Vegas High School, Harper had a .599 batting average with 11 home runs and 67 RBIs in 38 games. He followed that up with a .626 batting average, 14 home runs and 55 RBIs in '09.

Playing against a high level of junior-college competition and hitting with a wooden bat didn't present much of a challenge to Harper, who hit .442 with 29 home runs and 89 RBIs during the 2010 regular season.

Bill Ladson is a reporter for MLB.com and writes an MLBlog, All Nats All the time. He also could be found on Twitter @WashingNats. This story was not subject to the approval of Major League Baseball or its clubs.