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
Paul O'Neil	Paul O'Neill	Jim O'Toole
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
Bob Ojeda	Hideki Okajima	Bob Oldis
John Olerud	Jose Oliva	Tony Oliva
Tom Oliver	Andrew Oliver	Andy Oliver
Al Oliver	Bob 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	Rey Ordonez
Magglio Ordonez	Justin Orenduff	Kevin Orie
Jesse Orosco	Lee Orr	Pete Orr
Joe Orsulak	Anthony Ortega	Phil Ortega
Jose Ortiz	Luis Ortiz	David Ortiz
Ramon Ortiz	Dan Ortmeier	Chad Orvella
Donovan Osborne	Darrell Osteen	Claude Osteen
Cat Osterman	Joe Ostrowski	Roy Oswalt
Amos Otis	Akinori Otsuka	Mel Ott
Ed Ott	Adam Ottavino	Josh Outman
Lyle Overbay	Jeremy Owens	Jim Owens
Rudy Owens	Henry Owens	Jerry Owens
Terrell Owens	Chris Owings	Micah Owings
Chris Oxspring	Marcell Ozuna	Pablo Ozuna
Mike O’Neill