| Name | NBC Team | Last MLB Team | Last MLB Year |
|---|---|---|---|
| Jaime Bubela | Clarinda A’s | Seattle Mariners | 2005 |
| Jake Gibbs | West Point, MS | New York Yankees | 1971 |
| James Mouton | Clarinda A’s | Milwaukee Brewers | 2001 |
| James Paxton | Anchorage Glacier Pilots | Los Angeles Dodgers | |
| James Shields | Santa Barbara Foresters | Chicago White Sox | 2018 |
| Jamey Carroll | Clarinda A’s | Kansas City Royals | 2013 |
| Jamie Allen | Anchorage Bucs | Seattle Mariners | 1983 |
| Jamie Bluma | Anchorage Bucs | Kansas City Royals | 1996 |
| Jamie McAndrew | Wichita, KS | Milwaukee Brewers | 1997 |
| Jan Dukes | Bellingham, WA | Texas Rangers | 1972 |
| Jared Sandberg | Kelowna Falcons | Tampa Bay Devil Rays | 2003 |
| Jason Bay | Kelowna Falcons | Seattle Mariners | 2013 |
| Jason Castro | Anchorage Bucs | Houston Astros | 2022 |
| Jason Ellison | Everett Merchants | Texas Rangers | 2008 |
| Jason Frasor | Matsu Miners | Kansas City Royals | 2014 |
| Jason Giambi | Anchorage Bucs | Cleveland Indians | 2014 |
| Jason Hammel | Wenatchee Apple Sox | Kansas City Royals | 2018 |
| Jason Jennings | Salina, KS | Texas Rangers | 2009 |
| Jason Lane | Anchorage Bucs | San Diego Padres | 2014 |
| Jason Phillips | Kelowna Falcons | Toronto Blue Jays | 2007 |
| Jason Thompson | Matsu Miners | San Diego Padres | 1996 |
| Jay Howell | Boulder Collegians | Texas Rangers | 1994 |
| Jed Hansen | Anchorage Bucs | Kansas City Royals | 1999 |
| Jed Lowrie | Peninsula Oilers | Oakland Athletics | 2022 |
| Jeff Branson | Clarinda A’s | Los Angeles Dodgers | 2001 |
| Jeff Brantley | Matsu Miners | Texas Rangers | 2001 |
| Jeff Cirillo | Kenai Peninsula Oilers | Arizona Diamondbacks | 2007 |
| Jeff Dedmon | Dodge City, KS | Cleveland Indians | 1988 |
| Jeff Farnsworth | Seattle Studs | Detroit Tigers | 2002 |
| Jeff Francis | Anchorage Glacier Pilots, Bellingham Bells, Coquitlam Athletics, Everett Merchants | Toronto Blue Jays | 2015 |
| Jeff Huson | Beatrice Bruins | Chicago Cubs | 2000 |
| Jeff Karstens | San Diego Waves | Pittsburgh Pirates | 2012 |
| Jeff Keener | Kenai Peninsula Oilers | St. Louis Cardinals | 1983 |
| Jeff Kent | Anchorage Bucs | Los Angeles Dodgers | 2008 |
| Jeff King | Matsu Miners | Kansas City Royals | 1999 |
| Jeff McNeil | Santa Barbara Foresters | New York Mets | |
| Jeff Reboulet | Clarinda A’s, Matsu Miners | Pittsburgh Pirates | 2003 |
| Jeff Robinson | Liberal Bee Jays | Chicago Cubs | 1992 |
| Jeff Stevens | Santa Barbara Foresters | Chicago Cubs | 2011 |
| Jeff Tabaka | Matsu Miners | St. Louis Cardinals | 2001 |