JCCC's Highest Major League Draft Choices - June Draft
| Round | Pick | Year | Organization | Player | Yrs. / Highest Level |
| 3rd Round | 110 | 2011 | Chicago White Sox | Jeff Soptic | 6 yrs (11-16) / A+ |
| 6th Round | 206 | 2007 | Los Angeles Dodgers | Justin Miller | 5 yrs. (07-11) / AA |
| 10th Round | 242 | 1985 | Pittsburgh Pirates | Jeff Cook | 9 yrs. (85-90/96-98) AAA |
| 12th Round | 294 | 1981 | Texas Ranges | Antonio Triplett | 8 yrs. (81-88)/ AA |
| 16th Round | 383 | 1976 | Cincinnati Reds | Gary Pickert | Did not sign |
| 16th Round | 481 | 2013 | Philadelphia Phillies | Lee Ridenhour | 3 yrs. (13-15) / AA |
| 18th Round | 468 | 1986 | St. Louis Cardinals | Steve Meyer | 3 yrs. (86-88) / A |
| 18th Round | 544 | 2015 | Cleveland Indians | Anthony Miller | 5 yrs. (15-19) / AA |
| 20th Round | 498 | 1977 | San Diego Padres | Gary Pickert | 6 yrs. (77-82) / AAA |
| 20th Round | 508 | 1984 | Texas Rangers | Mike Grouse | 1 yr. (84) / A |
| 20th Round | 614 | 2011 | Los Angeles Dodgers | Vince Spilker | Did not sign |
| 22nd Round | 558 | 1983 | San Francisco Giants | Jim Spring | 3 yrs. (83-85) / A |
| 24th Round | 613 | 1989 | Texas Rangers | Travis Buckley | 10 yrs. (89-99 / AAA |
| 24th Round | 731 | 2006 | Cleveland Indians | Chirs Nash | 5 yrs. (07-11) / A |
| 25th Round | 629 | 1983 | Chicago White Sox | Larry Samuel | Did not sign |
| 25th Round | 783 | 2012 | Arizona Diamondbacks | Vince Spilker | 1 yr. (12) Rookie |
| 26th Round | 661 | 1989 | Baltimore Orioles | Mike Egleston | Did not sign |
| 28th Round | 836 | 2016 | Chicago White Sox | Aaron Schnurbusch | 2 yrs. (16-17) / A+ |
| 29th Round | 789 | 1990 | Chicago Cubs | Jay Meyer | 4 yrs. (91-94) / A+ |
| 29th Round | 809 | 1994 | Detroit Tigers | Jamie Borel | 3 yrs. (94-96) / A+ |
| 29th Round | 285 | 2014 | New York Mets | Matt Blackham | 7 yrs. (14-20) / AAA / ML 60-man roster pool |
| 30th Round | 713 | 1980 | New York Mets | Jesse Vann | 1 yr. (81) / A |
| 30th Round | 897 | 2017 | Chicago White Sox | Ryan Erickson | 1 yr. (17) / Rookie |
| 31st Round | 851 | 1995 | Colorado Rockies | Sean Murphy | 3 yrs. (95-97) / A+ |
| 31st Round | 933 | 2010 | Houston Astros | Travis Blankenship | 2 yrs. (10-11) / A |
| 33rd Round | 1117 | 2019 | Atlanta Braves | Davis Schwab | 2 yrs. (19-20) / Rookie |
| 36th Round | 1095 | 2014 | St. Louis Cardinals | Cody Schumarcher | 4 yrs. (13-16) / AA |
| 37th Round | 1121 | 2006 | Cleveland Indians | Brett Kinning | 1 yr. (06) / Rookie |
| 38th Round | 1022 | 1990 | Kansas City Royals | Dave Hierholzer | 2 yrs. (90-91) A |
| 38th Round | 1156 | 2016 | St. Louis Cardinals | Robert Calvano | 3 yrs. (16-18) A |
| 40th Round | 1203 | 2018 | St. Louis Cardinals | Andrew Warner | 2 yrs. (18-19) A |
| 43rd Round | 1136 | 1990 | Kansas City Royals | Scott Hennessey | 2 yrs. (90-91) / A+ |
| 45th Round | 1356 | 2008 | Los Angeles Dodgers | Ryan Arp | 2 yrs. (08-09) / AAA |
| 46th Round | 1184 | 1990 | Seattle Mariners | Chuck Wiley | 4 yrs. (90-93/ A+ |
| 48th Round | 1238 | 1989 | Oakland A's | Sean Krokroskia | 2 yrs. (89-90) / A |
| 60th Round | 1523 | 1994 | Kansas City Royals | Kit Pellow | 15 yrs. (96-10/ ML Royals & Rockies |
| 61st Round | 1607 | 1996 | Tampa Bay Rays | Nathan Ruhl | 9 yrs. (96-05) / AAA |
JCCC's Highest Major League Draft Choices - June Secondary Draft
| Round | Pick | Year | Organization | Player | Yrs. / Highest Level |
| 4th Round | 68 | 1984 | New York Mets | Mike Westbrook | 6 yrs. (84-89) / AA |
JCCC's Highest Major Leauge Draft Choices - January Draft-Reguar Phase
| Round | Pick | Year | Organization | Player | Yrs. / Highest Level |
| 3rd Round | 54 | 1984 | New York Mets | Mike Westbrook | 6 yrs. (84-89) / AA |
| 4th Round | 97 | 1981 | Philadelphia Phillies | Mike Sims | 1 yr. (81) / Rookie |
| 5th Round | 106 | 1980 | New York Mets | Mike Sims | Did not sign |
| 5th Round | 105 | 1983 | Cincinnati Reds | Cordell Williams | Did not sign |
| 6th round | 135 | 1984 | Chicago Cubs | Jeff Cook | 9 yrs (85-90, 96-98) / AAA |
| 6th Round | 144 | 1984 | Baltimore Orioles | Chris Egelston | 3 yrs. (84-86) / A |
| 9th Round | 204 | 1983 | Cincinnati Reds | Mike Westbrook | Did not sign |
JCCC's Free Agent Signings
| Player | Year | Orgnization | Yrs. / Highest Level |
| Kirk Aadland | 1978 | Chicago Cubs | 1 yr. (78)/ A |
| Anthony Amicangelo | 2021 | Billings Mustangs | 1yr. (21) / Independent |
| Justin Annin | 1998 | River City Rascals | 2 yrs. (00-01)/ Independent |
| Tim Brown | 2009 | Lincoln/Philadelphia Phillies/Wichita | 9 yrs. (09-17) / AA Independent |
| Travis Chambers | 1985 | Philadelphia Phillies/Montreal Expos/Chicago White Sox | 7 yrs. / AAA |
| Peter Davenport | 2006 | Las Cruces Vaqueros | 1 yr. / Independent |
| Matt Fitzmorris | 1996 | Atlanta Braves/Richmond | 2 yrs. (96-97) / Independent |
| Kyle Frets | 2007 | Sioux City/Wichita/Lake County | 2 yrs. (09-10) / AA Independent |
| David Goodwin | 1998 | Kansas City Royals | 3 yrs. (98-00)/ AA |
| Mark Goodwin | 1985 | Baltimore Orioles | 2 yrs. (85-86) / Rookie |
| L.J. Hatch | 2017 | Colorado Rockies | 4 yrs (17-20) / AAA |
| Lee Ice | 1979 | Kansas City Royals | 2 yrs. / A |
| Truman Marek | 2007 | Florence Freedom | 1 yr. (07) / Independent |
| Gil Rehwinkel | 2012 | Gateway Grizzlies | 1 yr. (12) / Independent |
| Todd Renko | 1995 | Los Angeles Dodgers | 1 yr. (95) / A |
| Tab Rojas | 1982 | Oakland A's | 2 yrs. / Rookie |
| Mike Simmons | 1995 | Chicago White Sox | 1 yr. (96) / Rookie |
| Tony Walker | 1984 | Cincinnati Reds | 6 yrs. (77-82) / AA |
| Matt Warkentin | 2021 | Chicago Cubs | 1 Yr (21) |
| Alan Wilkerson | 1978 | New York Mets | 1 yr. (78) / A |