O

O'Brien, Daniel (P) Auburn (NYP) -- Class A

O'Brien, Danny (P) Lansing (MID) -- Class A

O'Brien, Matt (P) Nashua (CAN) -- Class IND

O'Brien, Matt (P) Lakeland (FSL) -- Class A

O'Brien, Michael (P) Yankees (GULF) -- Class R

O'Brien, Nick (P) Joliet (NOR) -- Class IND

O'Brien, Pat (C) Washington (FRON) -- Class IND

O'Connor, Michael (P) Columbus (INT) -- Class AAA

O'Connor, Michael (P) Nationals (GULF) -- Class R

O'Day, Darren (P) Salt Lake (PCL) -- Class AAA

O'Donnell, Brendon (DH) Wisconsin (MID) -- Class A

O'Donnell, Bubba (P) Boise (NWST) -- Class A

O'Donnell, Tony (P) Sioux City (AMAS) -- Class IND

O'Flaherty, Eric (P) Tacoma (PCL) -- Class AAA

O'Flaherty, Eric (P) West Tenn (SOU) -- Class AA

O'Hara, John (P) Midwest (FRON) -- Class IND

O'Krane, Dillon (PH) Calgary (GOLD) -- Class IND

O'Malley, Ryan (P) Birmingham (SOU) -- Class AA

O'Malley, Shawn (SS) Columbus (SAL) -- Class A

O'Neal, Charles (P) Windy City (FRON) -- Class IND

O'Neil, Drew (P) Great Falls (PIO) -- Class R

O'Neill, Mike (OF) Thunder Bay (NWDS) -- Class COL

O'Shea, Nick (C) Green Bay (NWDS) -- Class COL

O'Shea, Ryan (P) Aberdeen (NYP) -- Class A

O'Sullivan, Pat (OF) Tijuana (MEX) -- Class AAA

O'Sullivan, Patrick (1B) Alexandria (UNI) -- Class IND

O'Sullivan, Patrick (1B) Fort Worth (AMAS) -- Class IND

O'Sullivan, Ryan (SS) Eau Claire (NWDS) -- Class COL

O'Sullivan, Sean (P) Rancho Cucamonga (CAL) -- Class A

Oakes, Earl (P) Midwest (FRON) -- Class IND

Oakes, Earl (P) Kane County (MID) -- Class A

Oates, Brian (P) Pulaski (APPY) -- Class R

Oates, Brian (P) Mariners (ARIZ) -- Class R

Oberholtzer, Brett (P) Braves (GULF) -- Class R

Obey, Nic (OF) Rochester (NWDS) -- Class COL

Obradovich, Michael (P) Yankees (GULF) -- Class R

Obradovich, Michael (P) Tampa (FSL) -- Class A

Obradovich, Michael (P) Staten Island (NYP) -- Class A

Obregon, Ted (2B) Cardinals (GULF) -- Class R

Ocampo, Kyle (P) Rangers (ARIZ) -- Class R

Ocheltree, Evan (OF) Chatham (CAPE) -- Class COL

Ochinko, Sean (DH) Yarmouth-Dennis (CAPE) -- Class COL

Ochoa, Blake (C) Wisconsin (MID) -- Class A

Ochoa, Ivan (SS) Fresno (PCL) -- Class AAA

Ochoa, Pablo (P) Tabasco (MEX) -- Class AAA

Ochoa, Pablo (P) Tijuana (MEX) -- Class AAA

Ociesa, Jacob (P) Worcester (CAN) -- Class IND

Odegaard, Chris (P) Eau Claire (NWDS) -- Class COL

Odenreider, Chase (DH) Charleston (SAL) -- Class A

Odle, Oliver (P) Augusta (SAL) -- Class A

Odom, Aaron (P) Delmarva (SAL) -- Class A

Odom, Aaron (P) Aberdeen (NYP) -- Class A

Odom, John (P) Laredo (UNI) -- Class IND

Odorizzi, Jacob (P) Brewers (ARIZ) -- Class R

Oeder, Ross (2B) Quad Cities (MID) -- Class A

Oeltjen, Trent (OF) Tucson (PCL) -- Class AAA

Oester, Jake (1B) Rochester (NWDS) -- Class COL

Offerman, Jose (DH) Veracruz (MEX) -- Class AAA

Ogata, Jason (2B) Spokane (NWST) -- Class A

Ohka, Tomo (P) Charlotte (INT) -- Class AAA

Ohlendorf, Ross (P) Scranton-WB (INT) -- Class AAA

Ohlendorf, Ross (P) Indianapolis (INT) -- Class AAA

Ohlmann, Liam (P) Brewers (ARIZ) -- Class R

Ohlmann, Liam (P) Helena (PIO) -- Class R

Ojeda, Miguel (C) Mexico (MEX) -- Class AAA

Okano, Mark (OF) Orange County (GOLD) -- Class IND

Olague, Jesus (P) Tabasco (MEX) -- Class AAA

Oland, Bryan (P) Fort Wayne (MID) -- Class A

Olbrychowski, Adam (P) Charleston (SAL) -- Class A

Olenberger, Kasey (P) Salt Lake (PCL) -- Class AAA

Olivares, Manuel (P) Brooklyn (NYP) -- Class A

Olivares, Manuel (P) Savannah (SAL) -- Class A

Olivares, Teuris (SS) Somerset (ATL) -- Class IND

Olivas, Hector (P) Laguna (MEX) -- Class AAA

Oliver, Zac (P) Hickory (SAL) -- Class A

Oliveras, Alexis (OF) Reds (GULF) -- Class R

Oliveros, Jose (P) Athletics (ARIZ) -- Class R

Oliveros, Lester (P) Oneonta (NYP) -- Class A

Oliveros, Lester (P) Lakeland (FSL) -- Class A

Oliveros, Luis (C) Tacoma (PCL) -- Class AAA

Oliveros, Luis (C) West Tenn (SOU) -- Class AA

Olmedo, Ray (SS) Columbus (INT) -- Class AAA

Olmos, Edgar (P) Marlins (GULF) -- Class R

Olmstead, Walter (1B) El Paso (AMAS) -- Class IND

Olmsted, Michael (P) Kingsport (APPY) -- Class R

Olmsted, Michael (P) Savannah (SAL) -- Class A

Olmsted, Michael (P) Mets (GULF) -- Class R

Olson, Cory (OF) Chatham (CAPE) -- Class COL

Olson, Garrett (3B) Fort Myers (FSL) -- Class A

Olson, Garrett (P) Norfolk (INT) -- Class AAA

Olson, Garrett (3B) Beloit (MID) -- Class A

Olson, Jason (P) York (ATL) -- Class IND

Olson, Matt (OF) Burlington (APPY) -- Class R

Olson, Ronnie (2B) Eau Claire (NWDS) -- Class COL

Olson, Ryan (P) Calgary (GOLD) -- Class IND

Olt, Michael (3B) Orleans (CAPE) -- Class COL

Omogrosso, Brian (P) Birmingham (SOU) -- Class AA

Omura, Isaac (2B) Evansville (FRON) -- Class IND

Ondrusek, Logan (P) Sarasota (FSL) -- Class A

Ondrusek, Logan (P) Louisville (INT) -- Class AAA

Ontiveros, Emilio (SS) Greensboro (SAL) -- Class A

Ontiveros, Emilio (2B) Carolina (SOU) -- Class AA

Ontiveros, Emilio (SS) Jupiter (FSL) -- Class A

Opitz, Jake (2B) Boise (NWST) -- Class A

Opitz, Jake (2B) Peoria (MID) -- Class A

Oraa, Carlos (P) St. Louis (VSL) -- Class R

Orantes, Ramon (DH) Chihuahua (MEX) -- Class AAA

Ordaz, Luis (2B) Indianapolis (INT) -- Class AAA

Ordonez, Magglio (DH) West Michigan (MID) -- Class A

Orenduff, Justin (P) Las Vegas (PCL) -- Class AAA

Orgovan, Joe (P) Pensacola (AMAS) -- Class IND

Ori, Mark (1B) Salem (CARO) -- Class A

Orlando, Paulo (OF) Wilmington (CARO) -- Class A

Orlando, Paulo (OF) Winston-Salem (CARO) -- Class A

Orman, Conrad (P) Bluefield (APPY) -- Class R

Orosco, Jesse (P) Missoula (PIO) -- Class R

Orozco, Alvaro (P) Lincoln (AMAS) -- Class IND

Orr, Kyle (1B) Ogden (PIO) -- Class R

Orr, Pete (2B) Columbus (INT) -- Class AAA

Orrantia, Carlos (2B) Monterrey (MEX) -- Class AAA

Orta, Phillips (P) Kingsport (APPY) -- Class R

Orta, Phillips (P) Savannah (SAL) -- Class A

Orta, Ricky (P) High Desert (CAL) -- Class A

Ortega, Alvaro (P) South Bend (MID) -- Class A

Ortega, Anthony (P) Arkansas (TEX) -- Class AA

Ortega, Anthony (P) Salt Lake (PCL) -- Class AAA

Ortega, Jose (P) Detroit (VSL) -- Class R

Ortega, Pablo (P) Quintana Roo (MEX) -- Class AAA

Ortega, Wilbert (P) Yucatan (MEX) -- Class AAA

Ortegano, Jose (P) Rome (SAL) -- Class A

Ortegano, Jose (P) Braves (GULF) -- Class R

Ortiz, Adam (P) St. George (GOLD) -- Class IND

Ortiz, Adrian (OF) Wilmington (CARO) -- Class A

Ortiz, Adrian (OF) Burlington (MID) -- Class A

Ortiz, Daniel (OF) Twins (GULF) -- Class R

Ortiz, David (DH) Pawtucket (INT) -- Class AAA

Ortiz, David (DH) Portland (EAST) -- Class AA

Ortiz, Eliezer (OF) Puebla (MEX) -- Class AAA

Ortiz, Francisco (P) Pirates (GULF) -- Class R

Ortiz, Francisco (P) Hickory (SAL) -- Class A

Ortiz, Gabriel (C) Athletics (ARIZ) -- Class R

Ortiz, Giovanni (1B) Mets (GULF) -- Class R

Ortiz, Jaime (1B) Great Lakes (MID) -- Class A

Ortiz, Jonathan (P) Charleston (SAL) -- Class A

Ortiz, Joseph (P) Rangers (ARIZ) -- Class R

Ortiz, Joseph (P) Clinton (MID) -- Class A

Ortiz, Michael (1B) Rangers (ARIZ) -- Class R

Ortiz, Michael (DH) Spokane (NWST) -- Class A

Ortiz, Pablo (P) Cardinals (GULF) -- Class R

Ortiz, Richard (P) Mariners (ARIZ) -- Class R

Ortiz, Ryan (C) Yarmouth-Dennis (CAPE) -- Class COL

Ortiz, Wilberto (2B) Rancho Cucamonga (CAL) -- Class A

Ortiz, Wilberto (SS) Arkansas (TEX) -- Class AA

Ortiz, Wilson (P) State College (NYP) -- Class A

Ortiz, Wilson (P) Hickory (SAL) -- Class A

Ortiz, Yancarlos (SS) Fort Myers (FSL) -- Class A

Ortmeier, Daniel (OF) Fresno (PCL) -- Class AAA

Ortmeier, Daniel (OF) San Jose (CAL) -- Class A

Orton, Richard (1B) Marlins (GULF) -- Class R

Osborn, Pat (3B) Southern Maryland (ATL) -- Class IND

Osborne, Donovan (P) Long Island (ATL) -- Class IND

Oseguera, Paul (P) Connecticut (EAST) -- Class AA

Osoria, Franquelis (P) Indianapolis (INT) -- Class AAA

Osorio, Enrique (OF) Veracruz (MEX) -- Class AAA

Osorio, Enrique (OF) Minatitlan (MEX) -- Class AAA

Oster, Jesse (P) Williamsport (NYP) -- Class A

Oster, Jesse (P) Chico (GOLD) -- Class IND

Oster, Jesse (P) Phillies (GULF) -- Class R

Osterbrock, Daniel (P) Elizabethton (APPY) -- Class R

Ostlund, Ian (P) Toledo (INT) -- Class AAA

Osuna, Antonio (P) Quintana Roo (MEX) -- Class AAA

Osuna, Edgar (P) Rome (SAL) -- Class A

Osuna, Renny (2B) Bakersfield (CAL) -- Class A

Osuna, Renny (2B) Clinton (MID) -- Class A

Osuna, Stiven (P) Padres (ARIZ) -- Class R

Otanez, Willis (1B) Minatitlan (MEX) -- Class AAA

Otanez, Willis (3B) Veracruz (MEX) -- Class AAA

Otanez, Willis (3B) Newark (ATL) -- Class IND

Otero, Dan (P) San Jose (CAL) -- Class A

Otero, Daniel (P) Augusta (SAL) -- Class A

Otero, Elias (2B) Princeton (APPY) -- Class R

Otness, John (C) Portland (EAST) -- Class AA

Ott, Derek (P) Waterloo (NWDS) -- Class COL

Ott, Louis (OF) Erie (EAST) -- Class AA

Ott, Louis (DH) Lakeland (FSL) -- Class A

Ottavino, Adam (P) Springfield (TEX) -- Class AA

Otterness, Steven (P) Dayton (MID) -- Class A

Otterness, Steven (P) Billings (PIO) -- Class R

Otterness, Steven (P) Sarasota (FSL) -- Class A

Otto, Ryan (P) Eau Claire (NWDS) -- Class COL

Ouellette, Ryan (P) Frederick (CARO) -- Class A

Outman, Josh (P) Sacramento (PCL) -- Class AAA

Outman, Josh (P) Reading (EAST) -- Class AA

Outman, Josh (P) Midland (TEX) -- Class AA

Ovalle, Edward (OF) Fort Myers (FSL) -- Class A

Ovalles, Homy (3B) Alexandria (UNI) -- Class IND

Ovalles, Juan (P) Alexandria (UNI) -- Class IND

Overbeck, Cody (3B) Williamsport (NYP) -- Class A

Overbey, Seth (P) New Hampshire (EAST) -- Class AA

Overholt, Pat (P) Reading (EAST) -- Class AA

Overholtzer, Corey (OF) Chatham (CAPE) -- Class COL

Overstreet, Jake (3B) Rochester (NWDS) -- Class COL

Owen, Dylan (P) Binghamton (EAST) -- Class AA

Owen, Dylan (P) St. Lucie (FSL) -- Class A

Owen, Ryan (P) Vero Beach (FSL) -- Class A

Owens, Jeremy (OF) Durham (INT) -- Class AAA

Owens, Jeremy (OF) Southern Maryland (ATL) -- Class IND

Owens, Jerry (OF) Charlotte (INT) -- Class AAA

Owens, Ricky (3B) Kalamazoo (FRON) -- Class IND

Owens, Ricky (3B) Gateway (FRON) -- Class IND

Owens, Rudy (P) State College (NYP) -- Class A

Owings, Jon (OF) Myrtle Beach (CARO) -- Class A

Owings, Micah (P) Tucson (PCL) -- Class AAA

Oxendine, Matthew (SS) South Bend (MID) -- Class A

Oyervidez, Jose (P) Corpus Christi (TEX) -- Class AA

Oyervidez, Jose (P) Round Rock (PCL) -- Class AAA

Ozuna, Rafael (SS) Alexandria (UNI) -- Class IND

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