Kiley McDaniel ( ESPN MLB Insider ) ranks his midseason top 50 MLB prospects - 2 Red Sox prospects made the list.
11. Marcelo Mayer, SS, Boston Red Sox
Age: 20
Level: Double-A
Mayer can also probably stick at shortstop, and he has plenty of offensive upside to profile well even if he doesn't. The buzz is now that he's more of a solidly above-average offensive threat than a truly elite one. (But hitting .260 with 25 homers at shortstop is still really good!)
31. Roman Anthony, RF, Boston Red Sox
Age: 19
Level: High-A
Anthony has continued his arrow-up campaign with easy plus power and patience, but he needs to lift the ball more to do the damage that would allow him to profile in a corner spot.
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Kiley McDaniel's 2023 midseason top 50 MLB prospects