Players — O–R
Oberlin, FrankFlossie
O'Brien, TommyObieDarby
Ockey, WalterFootie
O'Connor, JackRowdy JackPeach PieOak- O'Connor, JohnnyBucky
O'Day, HankThe Reverend- O'Dea, PaulLefty
- Odenwald, TedLefty
Odom, Blue MoonBlue Moon- Odom, DaveBlimpPorky
Odom, HeinieHeinie- O'Donnell, HarryButch
O'Doul, LeftyLefty
Odwell, FredFritz- Oertel, ChuckDuckySnuffy
- Ogrodowski, BruceBrusie
Oh, SeunghwanThe Stone BuddhaFinal BossDol-bucheo
O'Hearn, RyanBrohearnRyno
Ohtani, ShoheiShotimeOhtani sanShotaniShowtimeSHO-TIME- Okrie, FrankLefty
- Oldham, RedRed
O'Leary, DanHustling DanHustlin' Dan
Olerud, JohnMr. Hat On His HeadBig RudeJohnny O
Oliva, TonyTony-O
Oliver, AlScoop
Oliver, NatePeeweePee Wee
Oliver, TomRebel- Olivo, Chi-ChiChi Chi
Olson, KarlOle- Olson, MarvSparky
Oms, AlejandroEl Caballero- O'Neil, BuckBuck
O'Neill, EmmettPinky- Onis, ManuelCurlyRalph
Onslow, JackTiger Jack
Oquendo, JoseSecret Weapon- Ordenana, TonyMosquito
Ordonez, MagglioEl Caribe Mayor (The Caribbean Mayor)MagsEl Caribe Mayor
O'Rourke, FrankBlackie
O'Rourke, JimOrator Jim
O'Rourke, TimVoiceless Tim
Orsino, JohnHorse- Ortega, PhilKemo
Orth, AlSmiling AlThe Curveless Wonder
Ortiz, DavidBig PapiCookie Monster
Ortiz, OliverioBaby- Osborne, WayneOssieFish Hook
Ostermueller, FritzFritz- Ostrowski, JoeProfessorSpecs
- Osuna, AntonioEl Canon
Otey, BillSteamboat Bill- Otis, AmosA. O.Famous Amos
- Otis, HarryCannonball
Ott, MelMaster Melvin
Owen, FrankYip- Owen, MarvFreck
Owen, MickeyMickey
Owens, JimBear- Owens, PaulThe Pope
- Owens, RedRed
Owens, YipYip
Oyler, AndyPepper
Oyler, RayOil Can Harry- Ozmer, HoraceDoc
Ozuna, MarcellThe Big Bear
Paciorek, TomWimpy
Padden, DickBrains
Padgett, ErnieRed
Pafko, AndyHandy AndyPruschka
Page, JoeFiremanThe Gay Reliever
Pagés, PedroEl Gamo
Pagliaroni, JimPag
Paige, PatPiggy- Paine, PhilFlip
Pall, DonnThe Pope- Palmer, EddieBaldy
Palmer, JimCakes
Palmero, EmilioPal- Papish, FrankPap
Pappas, MiltGimpy
Parker, DaveDave "The Cobra" ParkerCobra
Parker, HarleyDoc
Parkinson, FrankParky
Parmelee, RoyBudTarzan
Parnell, MelDusty- Parnell, RoyRed
- Parrilla, SamSam
Parrish, LanceThe Big Wheel
Parrott, TomTacky Tom- Parson, WilliamJiggsChief
- Parsons, DixieDixie
- Partenheimer, StanParty
Pascual, CamiloLittle PotatoCamilePatato Pequeño- Pascual, CarlosPatato
Pasquantino, VinniePasquatchThe Italian Nightmare- Pasquella, MikeToney
Pastorius, JimSunny Jim
Patek, FreddieThe FleaMoochieCricket
Patten, CaseyCaseyPat
Patterson, RedRed
Patterson, RoyBoy WonderPatSt. Croix
Pattin, MartyDuckBulldog
Pavano, CarlAmerican Idle- Pawelek, TedPorky
Paxton, JamesBig Maple
Payne, HarleyLady
Pearson, MonteHoot- Pechiney, GeorgePisch
Peden, LesGooch
Pedroia, DustinThe Laser ShowMuddy ChickenPedeyPetey- Peery, RedRed
- Peete, CharlieMule
Peitz, HeinieHeinie
Pelfrey, MikeBig PelfPelf
Pelty, BarneyThe Yiddish Curver
Peña, JeremyLa Tormenta- Peña, RobertoBaby
- Pence, RussellRusty
Pennock, HerbThe Knight Of Kennett Square
Pepitone, JoePepi- Peploski, HenryPep
Peralta, FreddyFive Inning Freddy
Percival, TroyPercy
Perdue, HubThe Gallatin Squash
Perez, ChrisPure Rage- Perez, JoePepín
Perez, PascualI-285
Perez, SalvadorEl NiñoSalvy
Perez, TonyDoggieBig Dog- Perkins, CharlieLeftyCam
- Perkovich, JohnPerky
Pernoll, HubPiano LegsBuddyBudJud- Perrin, BillLefty
Perry, HankSocksHank
Perry, HerbertThe Milkman
Pesky, JohnnyThe NeedleMr. Red Sox
Peters, JohnBig PeteShotgun
Peterson, BuddyBud
Peterson, FritzFritz- Peterson, KentPete
- Pettit, LeonLefty
Pettit, PaulLefty
Petty, JesseThe Silver Fox- Pezzullo, JohnPretzel
Pfeffer, FredFritzDandelion
Pfiester, JackJack The Giant Killer- Pfund, LeeLee
Pham, TommyPhamtastic
Phelan, ArtDugan
Phelps, BabeBlimpBabe
Phelps, EdYaller
Phelps, KenDigger
Phillips, BillWhoa BillSilver Bill
Phillips, BubbaBubba- Phillips, DeeDee
Phillips, JackStretch- Phillips, LeftyLefty
- Phillips, RedRed
- Phillips, TaylorTayT-Bone
Piatt, WileyIron Man
Piazza, MikePizza ManThe Monster- Pickering, UrbanePick
- Picone, MarioBabe
- Piechota, AlPie
Pierce, BillyBilly the Kid
Pierce, GeorgeFilbert- Pierce, RayLefty
Piercy, BillWild Bill
Pieretti, MarinoChick- Pierro, BillWild Bill
Pike, LipLipIron Batter
Pillette, DuaneDee
Pillette, HermanOld Folks- Pillion, SquizSquiz
Pinelli, BabeBabe
Piniella, LouSweet LouBig LouSkipper
Pinnance, EdPeanutsPeanut- Pitko, AlexSpunk
- Pittenger, ClarkePinky
Plank, EddieGettysburg Eddie
Platt, WhiteyWhitey
Podbielan, BudBud
Podgajny, JohnnySpecs
Podsednik, ScottPodsThe Podfather- Poetz, JoeBull Montana
- Poindexter, JenningsJinx
- Pointer, AaronHawk
Polanco, JorgeChulonChulo- Poles, SpottswoodSpot
Polhemus, MarkHumpty Dumpty- Polivka, KenSoup
- Polli, LouCrip
Polonia, LuisLapaCatch 22
Pool, HarlinSamson
Poole, JimEasy
Porter, DarrellDouble Barrel Darrell
Porter, DickWigglesTwitches
Porter, JayJ W- Porto, AlLefty
Posedel, BillSailor BillBarnacle Bill
Posey, BusterBusterHum Buss- Pott, NellieLefty
Potter, NelsNellie
Potts, JohnFred- Potts, VivianDoc
Powell, AbnerAb- Powell, BillBig Bill
Powell, BoogBoogLittle Mack
Powell, JackRed
Powell, RayRabbit
Powers, DocDoc
Powers, PhilGrandmother- Powis, CarlJug
Pratt, AlUncle Al- Pratt, FrankTruckhorseTrackhorse
- Preibisch, MelPrimo
Presko, JoeLittle JoeBaby Joe- Price, JackieJohnnyThe Clown Prince of Baseball
- Price, JoeLumber
Prim, RayPop- Proeser, GeorgeYatz
Prothro, DocDoc- Prough, BillClint
- Pruess, EarlGibby
Pruett, HubShucks- Pruiett, TexTex
- Puccinelli, GeorgePoochCount
Puckett, KirbyPuck
Puig, YasielWild Horse
Pujols, AlbertThe MachinePhat AlbertPrince AlbertLa Maquina
Puttmann, AmbrosePuttyBrose
Pyle, HarlanFirpo- Pyle, HarryShadow
- Qualters, TomMoney Bags
- Queen, BillyDoc
Quentin, CarlosTCQ- Quick, HalBlondie
Quilici, FrankGuido
Quinn, JackJan
Quinn, JohnPick
Quintana, JoseQLelo
Quisenberry, DanQuizQ- Rachunok, SteveThe Mad Russian
Radatz, DickThe MonsterMoose- Radbourn, GeorgeDordyDandy
Radbourn, Old HossOld Hoss
Radcliff, RipRip
Rader, DougRojoThe Red Rooster
Rader, DrewLefty
Radford, PaulShorty- Raether, HalBud
- Ragan, ArthurRip
Raines, TimRock- Rakow, EdRock
Raleigh, CalThe Big Dumper
Ramirez, AlexeiThe Cuban Missile
Ramirez, HanleyEl TreceHan-Ram
Ramirez, MannyManny Being MannyMan-RamMannywood
Ramirez, MarioNato
Ramirez, RafaelRaffy
Ramos, PedroPete
Ramsdell, WillieThe Knuck
Ramsey, BillSquare Jaw
Randa, JoeThe Joker
Randall, NewtNewt
Rariden, BillBedford Bill- Raudman, BobShorty
Rawlings, JohnnyRed
Ray, IrvStubby- Ray, JimSting
Raymond, ClaudeFrenchy- Raymond, HarryJack
Realmuto, J. T.Real
Reberger, FrankCrane- Redding, DickCannonballDick
- Redmond, JackRed
Reed, HowieDiz- Reed, SteveFather Time
- Rees, StanNellie
Reese, Pee WeePee WeeThe Little Colonel
Reeves, BobbyGunner
Regan, PhilThe Vulture- Reiber, FrankTubby
Reilley, DukeMidget
Reilly, CharliePrinceton Charlie
Reilly, JohnLong JongLong John
Reising, CharliePop
Reisling, DocDoc
Reitz, HenryHeinie
Reitz, KenZamboni- Renfroe, LaddieLaddie
- Reniff, HalPorkyWhale
Renna, BillBig Bill- Rensa, TonyPug
- Repulski, RipRip
- Rescigno, XavierMr. X
Restelli, DinoDingo
Reulbach, EdBig Ed
Reuschel, RickBig Daddy
Reynolds, AllieSuperchief
Reynolds, DannySquirrel
Reynolds, RossDoc- Rhawn, BobbyRocky
Rhem, FlintShad
Rhines, BillyBunker
Rhoads, BobDusty
Rhodes, CharlieDusty- Rhodes, GordonDusty
Rhodes, KarlTuffy
Rice, HalHoot
Richard, LeeBee BeeBeeBee
Richards, FredFuzzy
Richardson, HardyOld True BlueHardie
Rickert, JoeDiamond Joe- Rickert, MarvTwitch
Rickey, BranchThe Mahatma- Riddle, JohnnyMuttT
Rigney, BillSpecsThe Cricket
Riley, BillyPigtail Billy
Ripken, BillyBilly The KidF**K Face
Ripken, CalThe Iron ManRip
Ritchey, ClaudeLittle All Right
Ritter, LewOld Dog- Ritterson, WhiteyWhitey
Rivera, JimJungle Jim
Rivera, MarianoThe SandmanMoSuper Mariano
Rivers, MickeyMickeyMick The QuickGozzleheadMickey Mouth
Rixey, EppaJepthaJephtha
Rizzo, AnthonyTonyFrankRizz
Rizzuto, PhilScooter- Robello, TonyTony
- Roberts, DaleMountain Man
- Roberts, JimBig Jim
Roberts, RyanTatmanTattman
Robinson, BillBillWeaserYank
Robinson, BrooksThe Human Vacuum CleanerHooverMr. ImpossibleMr. Oriole
Robinson, DonCavemanDonnie
Robinson, FrankThe JudgeRobbyPencils
Robinson, HankRube- Robinson, JackBridgeport
Robinson, JackieDark DestroyerThe Colored CometJackie the RobberJack-Jack- Robinson, RabbitRabbit
Robinson, RonTrue Creature
Robinson, WilbertUncle RobbyUncle Robbie
Robinson, WilliamYank
Robitaille, ChickChick- Roche, JackRed
Rodgers, AndreAndy
Rodgers, BillRawmeat Bill
Rodney, FernandoKimboBenjaminLa FlechaUiya Clara
Rodriguez, AlexA-Rod
Rodriguez, AurelioChi Chi
Rodriguez, HectorOh Henry!
Rodriguez, IvanPudgeI-Rod
Rodriguez, JoseEl Hombre GomaPopeyeJose\u00edtoJoe
Rodriguez, JulioJRodAcuñaJulioooooJ-Rod
Rodríguez, JohnathanFrijolitoJ-Rod- Roe, ClayShadRanch
Roettger, OscarOkkie
Rogan, BulletBulletCap- Rogers, BuckLefty
- Rogers, KennyThe Gambler
- Rogers, LeeBuckLefty
Rogers, TomShotgun
Rohe, GeorgeWhitey
Rolfe, RedRed
Rollings, RedRed
Rollins, RichRed
Romano, JohnHoney
Romo, VicenteHuevo
Root, CharlieChinski
Rosar, BuddyBud
Rosario, WilinBaby Bull
Rose, PeteCharlie HustlePJ
Roseboro, JohnRosyGabby
Roseman, JamesChief
Rosen, AlFlipAlHebrew Hammer- Rosenthal, SimonSy
- Roser, BunnyJack
Ross, BusterBuster
Ross, DavidGrandpa Rossy- Ross, ErnieCurly
- Rotblatt, MarvRotty
- Rotes, BillPoodle
Routcliffe, PhilChicken
Rowe, HarlandHypie
Rowe, SchoolboySchoolboy- Roy, EmilBud
- Roy, NormieJumbo
Ruble, ArtSpeedy
Rudolph, DickBaldy- Rudolph, JohnDutch
Ruether, DutchDutch
Ruffing, RedRed
Rusie, AmosThe Hoosier Thunderbolt
Russell, AddisonAddison MuscleAddy
Russell, AllenRubberarm- Russell, LeftyLefty
Russell, RipRip
Russo, MariusLefty
Ruth, BabeThe BambinoThe Sultan Of SwatThe BabeColossus of CloutJidge- Rutherford, JohnnyDoc
Ryan, JackGulfport
Ryan, JimmyPony
Ryan, NolanThe Ryan ExpressThe Express- Rye, GeneHalf Pint
Rzepczynski, MarcScrabbleZep