I have Aaron ahead of Bonds.
He was a well-rounded athlete who played a steady game where he could be counted on to make a play, hit a drive, or steal a base.
Bonds, of course, has the same stuff, but I don't count his seasons from 2001 on. However, using baseball-reference to total those seasons he still has 494 HRs, a 165 OPS+, over 4000 total bases, and more than 400 SBs.
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"Fill in any figure you want for that boy [Mantle]. Whatever the figure, it's a deal." - Branch Rickey