American League
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148 players whose last name starts with O
148
Total Players
18
Active Players
Charlie O'Brien
Peter O'Brien
Riley O'Brien
Brian O'Connor
Mike O'Connor
Darren O'Day
Eric O'Flaherty
Brian O'Grady
Chris O'Grady
Ryan O'Hearn
Logan O'Hoppe
Brian O'Keefe
Troy O'Leary
Jack O'Loughlin
Ryan O'Malley
Shawn O'Malley
Paul O'Neill
Tyler O'Neill
Ryan O'Rourke
Sean O'Sullivan
Trevor Oaks
Sherman Obando
Bailey Ober
Scott Oberg
Brett Oberholtzer
Wes Obermueller
Bryce Montes de Oca
Christian Montes De Oca
Alex Ochoa
Iván Ochoa
Joseph Odom
Rougned Odor
Jake Odorizzi
Trent Oeltjen
José Offerman
Alexi Ogando
Cristofer Ogando
Nefi Ogando
Shinnosuke Ogasawara
Chad Ogea
Seunghwan Oh
Tomo Ohka
Pierson Ohl
Ross Ohlendorf
Mike Ohlman
Will Ohman
Kevin Ohme
Shohei Ohtani
Kirt Ojala
Augie Ojeda
Miguel Ojeda
Hideki Okajima
Kazuma Okamoto
Steven Okert
Chris Okey
John Olerud
Jared Oliva
Edward Olivares
Omar Olivares
Andy Oliver
Darren Oliver
Joe Oliver
Héctor Olivera
Lester Oliveros
Miguel Olivo
Adam Oller
Ray Olmedo
Edgar Olmos
Kevin Olsen
Scott Olsen
Garrett Olson
Gregg Olson
Matt Olson
Reese Olson
Tim Olson
Tyler Olson
Mike Olt
Brian Omogrosso
Jorge Oña
Logan Ondrusek
Steve Ontiveros
Mike Oquist
Luis Ordaz
Magglio Ordóñez
Rey Ordóñez
Nate Orf
Kevin Orie
Paulo Orlando
Jonathan Ornelas
Tirso Ornelas
Eddie Oropesa
Jesse Orosco
Pete Orr
Joe Orsulak
Kaleb Ort
Anthony Ortega
Bill Ortega
José Ortega
Oliver Ortega
Rafael Ortega
Danny Ortiz
Héctor Ortiz
Joe Ortiz
Joey Ortiz
José Ortiz
Luis Ortiz
Ramón Ortiz
Russ Ortiz
Daniel Ortmeier
Chad Orvella
Eric Orze
Donovan Osborne
Josh Osich
Keith Osik
Franquelis Osoria
Jimmy Osting
Alejandro Osuna
Antonio Osuna
José Osuna
Roberto Osuna
Corey Oswalt
Roy Oswalt
Michel Otañez
Willis Otáñez
Dan Otero
Ricky Otero
Akinori Otsuka
Adam Ottavino
Glenn Otto
James Outman
Josh Outman
Lyle Overbay
Connor Overton
Dillon Overton
Johan Oviedo
Juan Carlos Oviedo
Luis Oviedo
Hunter Owen
Eric Owens
Henry Owens
Jerry Owens
Rudy Owens
Tyler Owens
Chris Owings
Micah Owings
Chris Oxspring
Marcell Ozuna
Pablo Ozuna