Baseball Rookies, Letter "O"

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

Peter O'Brien	Justin O'Conner	Darren O'Day
Billy O'Dell	Lefty O'Doul	Ryan O'Hearn
Paul O'Neil	Tyler O'Neill	Michael O'Neill
Mike O'Neill	Paul O'Neill	Jim O'Toole
Johnny Oates	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	Andy Oliver	Al Oliver
Gene Oliver	Andrew Oliver	Hector Olivera
Scott Olsen	Matt Olson	Gregg Olson
Mike Olt	Brian Omogrosso	Jorge Ona
Jose Oquendo	Rey Ordonez	Magglio Ordonez
Paulo Orlando	Jesse Orosco	Lee Orr
Phil Ortega	Luis Ortiz	Jhailyn Ortiz
David Ortiz	Darrell Osteen	Claude Osteen
Roberto Osuna	Roy Oswalt	Amos Otis
Mel Ott	Adam Ottavino	Josh Outman
Lyle Overbay	Dillon Overton	Spike Owen
Jim Owens	Rudy Owens	Henry Owens
Jerry Owens	Micah Owings	Chris Owings
Marcell Ozuna