PT TOMORROW: NL West—Will O'Brien play?

Arizona Diamondbacks

Prospect watchers have long been waiting for Peter O'Brien (OF, ARI) to get some regular playing time at the big league level. He's one step closer to doing so given his recent call-up combined with Chris Owings' (OF, ARI) trip to the DL (plantar fasciitis). O'Brien is known for his mega-power, as he's already smashed 17 HR with a 1.025 OPS over 212 AB at AAA-Reno this season. O'Brien's plate skills have been a disaster at Triple-A (9/61 BB/K), however, and they haven't been much better in the majors. The power is sexy and may attract some hefty FAAB bids, but O'Brien's plate approach should limit him to starts vs. LHP only.

O'Brien's arrival pushes Brandon Drury (OF, ARI) somewhat further down the chain in...

Almost!

You’re just a few clicks away from accessing this feature and hundreds more throughout the year that have a singular goal in mind: Winning your league. Subscribe to BaseballHQ.com here!

Already a subscriber? Sign in here

More From PT Tomorrow

Trent Grisham's looming return could remove either Spencer Jones or Jasson Domínguez from the Yankees' outfield. Plus, a new look infield in BOS, Dean Kremer nearing a return for BAL, and more.
Jun 30 2026 3:05am
This week, we discuss the return of Heliot Ramos to a crowded lineup situation in San Francisco, and the playing time outlook for prospects throughout the NL West.
Jun 27 2026 3:06am
Andrew Painter must hone his technique back in the minors before we can expect to see any MLB masterworks. Plus: 3B in WAS; SP in ATL; C/DH in MIA; 2B at NYM; more.
Jun 26 2026 9:56am
The Cubs are hoping Peterson can help stabilize a rotation battered by injuries.
Jun 26 2026 3:05am
Journeyman Ryan Kreidler appears to be taking over at SS for the Twins. Plus, bullpen problems in Chicago, checking in on CJ Kayfus and Bo Naylor in CLE, a possible six-man rotation in DET, and Matthew Lugo tearing it up in Triple-A for KC.
Jun 25 2026 3:05am

Tools