Baseball Rookies, Letter "O"

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

Will O'Brien	Peter O'Brien	Justin O'Conner
Darren O'Day	Billy O'Dell	Ryan O'Hearn
Paul O'Neil	Tyler O'Neill	Michael O'Neill
Paul O'Neill	Jim O'Toole	Barack Obama
Brett Oberholtzer	Josh Ockimey	Rougned Odor
Jake Odorizzi	Alexi Ogando	Ben Oglivie
Seung-Hwan Oh	Sadaharu Oh	Ross Ohlendorf
Shohei Ohtani	Hideki Okajima	Chris Okey
John Olerud	Tony Oliva	Al Oliver
Gene Oliver	Andrew Oliver	Andy Oliver
Hector Olivera	Scott Olsen	Matt Olson
Gregg Olson	Brian Omogrosso	Jose Oquendo
Rey Ordonez	Magglio Ordonez	Paulo Orlando
Jesse Orosco	Lee Orr	Phil Ortega
David Ortiz	Luis Ortiz	Claude Osteen
Darrell Osteen	Roberto Osuna	Roy Oswalt
Amos Otis	Mel Ott	Adam Ottavino
Josh Outman	Lyle Overbay	Dillon Overton
Rudy Owens	Henry Owens	Jerry Owens
Micah Owings	Chris Owings	Marcell Ozuna