Over the last few years look at these lines in the Midwest league for 18/19 yr olds....

2003- Prince Fielder   .313/.409/.526   71/80 BB/K 
2004- Daric Barton   .313/.435/.511  69/44 BB/K
2006- Colby Rasmus   .310/.373/.512  29/55 BB/K
2006- Justin Upton  .263/.343./.413   52/96 BB/K
2006- Jay Bruce  .291/.355/.516   44/106 BB/K
2006- Cam Maybin  .304/.387/.457   50/116 BB/K 
2007- Travis Snider  .313/.377/.525   49/129 BB/K
2008-  Mike Moustakas  .272/.337/.468  43/86 BB/K
2009-  Josh Vitters   .316/.351/.535   7/42 BB/K

That kind of puts into perspective what these 3 teenagers are doing this year.  Pretty special.

2010-  Mike Trout   .366/.442/.551  27/35 BB/K,  31sb  
2010-  Wil Myers   .294/.407/.527   38/43 BB/K
2010-  "BD" Nick Franklin   .313/.357/.571  16/52 BB/K