The 33rd season of the Arizona Fall League is a week old, and already, there are top prospects standing out amid the field of, well, top prospects.

Here are the top performers from the first week of AFL action:

More on the Arizona Fall League :

Esmerlyn Valdez, OF, Salt River ( PIT No. 15 )

Stats: .286 AVG (2-for-7), 2 HR, 2 RBIs, 6 BBs, 8 TB, 1.758 OPS

The 21-year-old Valdez was one of the Pirates' biggest risers this season, emerging as one of Double-A Altoona's top hitters and finishing with 26 homers and an .896 OPS between two levels. He's Rule 5 eligible and could therefore play himself onto the Pirates roster with a big Fall League, which already seems to be well underway. Valdez was one of two players to homer twice during the first week of play, also drawing a whopping s

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