| Name | NBC Team | Last MLB Team | Last MLB Year |
|---|---|---|---|
| Joe Christoher | Christiansted, BI | Boston Red Sox | 1966 |
| Joe Dillon | Matsu Miners | Tampa Bay Rays | 2009 |
| Joe Erautt | Silverton, OR | Chicago White Sox | 1951 |
| Joe Gantenbein | Ft. Riley, KS | Philadelphia Athletics | 1940 |
| Joe Girardi | Midlothian White Sox | St. Louis Cardinals | 2003 |
| Joe Hoerner | Dubuque, IA | Cincinnati Reds | 1977 |
| Joe Horlen | Alpine, TX | Oakland Athletics | 1972 |
| Joe Magrane | Fairbanks Goldpanners | Chicago White Sox | 1996 |
| Joe Redfield | Matsu Miners | Pittsburgh Pirates | 1991 |
| Joe Simpson | Liberal Bee Jays | Kansas City Royals | 1983 |
| Joe Strain | Boulder Collegians | Chicago Cubs | 1981 |
| Joe Strong | Seattle Studs | Florida Marlins | 2001 |
| Joel McKeon | Matsu Miners | Chicago White Sox | 1987 |
| Joey Meyer | Liberal Bee Jays | Milwaukee Brewers | 1989 |
| Joey Terdoslavich | Anchorage Bucs | Atlanta Braves | 2015 |
| John “Blue Moon” Odom | Forest Park, GA | Chicago White Sox | 1976 |
| John Bormann | San Antonio Titans | Pittsburgh Pirates | 2017 |
| John Butcher | Fairbanks Goldpanners | Cleveland Indians | 1986 |
| John Danks | Austin, TX | Chicago White Sox | 2016 |
| John DeSilva | Clarinda A’s | Baltimore Orioles | 1995 |
| John Hester | Kenai Peninsula Oilers, Matsu Miners | Los Angeles Angels | 2013 |
| John Lackey | Elkhart, KS | Chicago Cubs | 2017 |
| John Moses | Boulder Collegians | Seattle Mariners | 1992 |
| John Oldham | Humboldt Crabs | Cincinnati Reds | 1956 |
| John Olerud | Kenai Peninsula Oilers | Boston Red Sox | 2005 |
| John Poloni | Boulder Collegians | Texas Rangers | 1977 |
| John Russell | Anchorage Glacier Pilots | Texas Rangers | 1993 |
| John Valentin | Colorado Springs, CO | New York Mets | 2002 |
| John Vander Wal | Grand Rapids, MI | Cincinnati Reds | 2004 |
| Johnnie Pesky | Silverton, OR | Washington Senators | 1954 |
| Johnny Lanning | Ft. Riley, KS | Boston Braves | 1947 |
| Johnny O’Brien | Matsu Miners | Philadelphia Phillies | 1959 |
| Johnny Sturm | Kearns, UT | New York Yankees | 1941 |
| Jon Zuber | Matsu Miners | Philadelphia Phillies | 1998 |
| Jonathan Papelbon | Silver Spring, MD | Boston Red Sox | 2016 |
| Jordan Danks | Austin, TX | Philadelphia Phillies | 2015 |
| Jordan Luplow | Anchorage Glacier Pilots | Cleveland Indians | |
| Jorge Posada | Hartselle, AL | New York Yankees | 2011 |
| Jose Alvarez | Clarinda A’s | Atlanta Braves | 1989 |
| Jose Tolentino | Matsu Miners | Houston Astros | 1991 |