Looking for a less heralded prospect outside of the Top 100? O'Brien could make for an interesting choice after being recalled by the Diamondbacks on Friday. Obtained by Arizona from the Yankees for Martin Prado at the 2014 deadline, O'Brien smacked 34 home runs in 2014 and 26 home runs at Triple-A in 2015. He has carried the momentum forward this season, slashing .306/.330/.601 at Triple-A with 12 home runs, nine doubles and three triples. O'Brien's raw power could play at the MLB level, although strikeouts could be a problem. He struck out 54 times in 173 at-bats at Triple-A and has a 28.2 percent K% for his minor league career.
It is unclear how Arizona will deploy him and how much playing time he will see. The Diamondbacks have Rickie Weeks and Chris Owings getting moderate playing time, so it should not be that difficult to break through. O'Brien came off the bench and struck out in his only at-bat Friday. If he gets playing time, home runs will be as much a fact of life as the strikeouts. As far as raw power goes, perhaps no one outside of Giancarlo Stanton has more in the tank than O'Brien.
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