Some NEW grade changes.

Matt Garza, from Grade A- to Grade A
Anthony Swarzak, from Grade B+ to Grade B
Chuck Lofgren, from Grade A- to Grade B+
Tim Lincecum, from Grade A to Grade A- (because of college pitch counts, not his size, which doesn't matter to me)
Jose Tabata, from Grade A- to Grade B+
Fernando Martinez, from Grade A- to Grade B+
Travis Snider, from Grade A- to Grade B+
Van Pope, from Grade C to Grade C+
Yusmeiro Petit, C+
Andrew Sonnanstine from Grade C+ to Grade B-
Kevin Kouzmanoff stays at B due to age and injury history.