Junior years of some top college hitters:
Alex Gordon, 2005 (Nebraska): 72 G, .372/.518/.715, 19 HR
Matt Wieters, 2007 (Georgia Tech): 57 G, .358/.490/.592, 10 HR
Pedro Alvarez, 2008 (Vanderbilt): 40 G, .317/.424/.532, 9 HR (NB: significantly better in freshman and sophomore seasons)
Dustin Ackley, 2009 (UNC): 62 G, .415/.515/.772, 21 HR