Their both about the same age. I've not seen either play in person, but it seems like Stubbs has an advantage on the glove side, but Heisey is better with the bat. Heisey has 16 doubles, 8 HRs and he rarely whiffs. His stats are other worldly at the moment.
Both are having pretty fine years, although Stubbs is having his year at AAA while Heisey is having his at AA. Even still, and I know the sample size is small and Heisey will regress some, but Stubbs NEVER put up these kind of numbers at AA.
Both of these guys aren't going to be your CFs of the future. So what do you do here? Do you trade 1 of the 2 now? Both players and their value are at an all time high right now.
I'm really impressed by the progress Stubbs has made, I don't know why...but I just can't fully trust Stubbs (even though I do want him to succeed. I think I would try to move Stubbs and look at Heisey as the CF of the future. Especially since Taveras is signed for another year anyway. Move Stubbs now (or soon) and promote Heisey to AAA and then he'll be on the right timetable for The Show.