Baseball Rookies, Letter "O"

This is the list of all Baseball Rookies with a lastname starting with "O"

John O'Brien	Pete O'Brien	Syd O'Brien
Peter O'Brien	Ed O'Brien	Danny O'Connell
Justin O'Conner	Darren O'Day	Billy O'Dell
John O'Donoghue	Lefty O'Doul	Ryan O'Malley
Shaquille O'Neal	Paul O'Neil	Paul O'Neill
Tyler O'Neill	Jim O'Toole	Johnny Oates
Barack Obama	Brett Oberholtzer	Ivan Ochoa
Alex Ochoa	Greg Oden	Rougned Odor
Jake Odorizzi	Trent Oeltjen	Jose Offerman
Alexi Ogando	Ben Oglivie	Sadaharu Oh
Tomo Ohka	Ross Ohlendorf	Will Ohman
Shohei Ohtani	Bob Ojeda	Hideki Okajima
Bob Oldis	John Olerud	Jose Oliva
Tony Oliva	Tom Oliver	Andrew Oliver
Al Oliver	Bob Oliver	Andy Oliver
Gene Oliver	Miguel Olivo	Edgar Olmos
Kevin Olsen	Scott Olsen	Greg Olsen
Garrett Olson	Matt Olson	Greg Olson
Gregg Olson	Karl Olson	Mike Olt
Brian Omogrosso	Paul Oneill	Jose Oquendo
Magglio Ordonez	Rey Ordonez	Justin Orenduff
Kevin Orie	Jesse Orosco	Lee Orr
Pete Orr	Joe Orsulak	Anthony Ortega
Phil Ortega	Ramon Ortiz	Jose Ortiz
Luis Ortiz	David Ortiz	Dan Ortmeier
Chad Orvella	Donovan Osborne	Darrell Osteen
Claude Osteen	Cat Osterman	Joe Ostrowski
Roberto Osuna	Roy Oswalt	Amos Otis
Akinori Otsuka	Mel Ott	Ed Ott
Adam Ottavino	Josh Outman	Lyle Overbay
Terrell Owens	Jeremy Owens	Jim Owens
Rudy Owens	Henry Owens	Jerry Owens
Chris Owings	Micah Owings	Chris Oxspring
Marcell Ozuna	Pablo Ozuna	Mike O’Neill