Alumni
| Name | Year |
|---|---|
| Raabe, Brian | 1989 |
| Rackoski, Sean | 2016 |
| Ragins, Darrien | 2017 |
| Ralston, Jack | 2018 |
| Ramsey, Robert | 2002 |
| Randell, Josh | 1982 |
| Ransom, Robert | 2002 |
| Rapp, Billy | 1986 |
| Rausch, Rocky | 1976 |
| Ravanis, George | 1977 |
| Ray, Corey | 2014 |
| Ray, Jay | 1984 |
| Ray, Robert | 2004 |
| Ready, Greg | 1977 |
| Reddish, Mike | 1979 |
| Reed, Eric | 2001 |
| Reed, Ken | 1992 |
| Reese, Phil | 2016 |
| Reeves, Dave | 1972 |
| Refsnyder, Rob | 2011 |
| Regan, Rick | 1965 |
| Reilly, Ed | 1979 |
| Reiser, James (Jamie)Â | 1984 |
| Relihan, Paddy | 2003 |
| Rembisz, Scott | 2009 |
| Remlinger, Mike | 1987 |
| Renner, Scott | 1989 |
| Reynolds, Jeff | 2011 |
| Reynolds, Kyle | 2003, 2004 |
| Rhodes, David | 2019 |
| Rhodes, Dusty | 1997 |
| Rice, Andrew | 1970 |
| Richardson, Jim | 1989 |
| Richman, Jason | 2014 |
| Richmond, Mark | 1975 |
| Richmond, Nicholas | 2019 |
| Riga, Ryan | 2013 |
| Rindfleisch, Jarrett | 2015 |
| Riordan, Matt | 1998 |
| Risdon, Craig | 1988 |
| Ritter, Kyle | 1995 |
| Rivera, Ernesto | 1992 |
| Rizzo, JP | 1993 |
| Roach, Dalton | 2017 |
| Robbins, Whit | 2004, 2005 |
| Roberts, Griffin | 2017 |
| Robertson, Doug | 1995 |
| Robertson, Kramer | 2014, 2015 |
| Robinson, Chuck | 1974 |
| Robinson, Errol | 2014 |
| Robinson, Jim | 1989 |
| Robinson, Randy | 1982 |
| Robinson, Sonny | 1970 |
| Rock, Joe | 2019 |
| Roderick, Barry | 1969 |
| Rogers, Adam | 2003, 2004 |
| Rodiles, Jose | 1982 |
| Rodriguez, Jorge | 1971 |
| Roebel, Billy | 1975 |
| Roellke, Robert | 1971 |
| Rogelstad, Matt | 2002 |
| Romanelli, Anthony | 2018 |
| Romaniello, Ronald | 1968 |
| Romero, Joe | 2016 |
| Roney, Bradley | 2013 |
| Roney, Chad | 1995 |
| Ronz, Kenon | 2001 |
| Rose, Ed | 1975 |
| Rose, Steve | 1972, 1973, 1974 |
| Rosenbaum, Daniel | 2013, 2014 |
| Roskam, Luke | 2018 |
| Ross, Carey | 1982 |
| Ross, Ty | 2011, 2012 |
| Rosthenhausler, Nicholas | 2010 |
| Roupp, Landon | 2019 |
| Rowe, Connor | 2008, 2009 |
| Royer, Dave | 1975 |
| Rowe, Mitch | 1980 |
| Rudick, Matt | 2019 |
| Ruebel, Matt | 1988 |
| Ruffcorn, Jason | 2019 |
| Rumbelow, Nicholas | 2012 |
| Russell, Jeff | 1997 |
| Russo, Kevin | 2005 |
| Ruxer, Jared | 2012, 2013 |
| Ryan, Andrew | 2017 |