- Raines, Tim
- Raines, Rock
- Ramirez, Manny
- Randolph, Willie
- Rasmussen, Dennis
- Rawley, Shane
- Ray, Johnny
- Reardon, Dave
- Red Sox, Boston
- Reuschel, Rick
- Reyes, Jose
- Reynolds, Harold
- Rhoden, Rick
- Rice, Jim
- Righetti, Dave
- Righetti. Dave,
- Rijo, Jose
- Ripken, Cal
- Ripken Jr., Cal
- Robinson, Jeff
- Robinson, Don
- Robnett, Richie
- Rodriguez, Alex
- Rodriguez, Ivan
- Rodriguez, Ryan
- Rodriguez, Francisco
- Roenicke, Gary
- Rogriguez, Ivan
- Rolen, Scott
- Rollins, Jimmy
- Rose, Pete
- Royster, Jerry
- Ruiz, Carlos
- Ruth, Babe
- Ryan, Nolan
