Pre-Season Underclass Showcase (Invite Only for 2013-2015)
| Name | State | School | Class | Pos | Commitment |
| Brice Bennett | OH | Piketon | 2013 | RHP | |
| Wes Birchmeier | OH | Miamisburg | 2014 | SS | Lake Erie College |
| Brock Bolden | OH | Coshocton | 2013 | C | |
| Sam Bordner | OH | Bloom Carroll | 2015 | RHP | Louisville |
| Dakota Cararo | OH | Gahanna Lincoln | 2013 | C | Adrian College |
| Gary Clift | OH | Brunswick | 2015 | OF | Eastern Michigan |
| Cam Comer | OH | Olentangy Liberty | 2015 | C | Virginia |
| John Crawford | OH | Wapakoneta | 2013 | LHP | Bowling Green State |
| Tommy Crowl | OH | Summit Country Day | 2013 | LHP | Marietta College |
| Jake Dotson | OH | Bellbrook | 2013 | RHP | |
| Steven Duby Jr | OH | Maumee | 2013 | RHP | |
| A.J. Etzkorn | OH | Wapakoneta | 2013 | LHP | Ohio |
| Ethan Fremder | OH | Piketon | 2015 | C | |
| Brock Frentzel | OH | Gahanna Lincoln | 2013 | LHP | Otterbein University |
| Speros Gabriel | OH | Dayton Christian | 2013 | LHP | |
| Kyle Galyk | OH | Marion Pleasant | 2015 | OF | Cincinnati |
| Logan Giddings | OH | Pickerington North | 2015 | OF | Ohio Dominican University |
| John Heckman | OH | Hamilton | 2014 | SS | Tiffin University |
| Hutch Henry | OH | Carlisle | 2013 | 3B | |
| Ben Herlihy | OH | Centerville | 2012 | 2B | |
| Jarrod Houchin | OH | Bellefontaine | 2014 | 2B | Wright State |
| Austin Ingleston | OH | Liberty Benton | 2013 | RHP | |
| John Janusik | OH | Princeton | 2013 | 3B | |
| Cameron Johnson | OH | Tippecanoe | 2014 | SS | |
| Ryan Kennedy | OH | Hamilton | 2014 | OF | Tiffin University |
| Tyler Magley | OH | Liberty Union | 2014 | 2B | Ohio Dominican University |
| Jared Mitchener | OH | Wilmington | 2015 | LHP | |
| Markus Neff | OH | Oakwood | 2014 | 1B | |
| Alex Nikolai | OH | Alter | 2013 | RHP | |
| Tyler Pagano | OH | Pickerington North | 2013 | RHP | Oakland |
| Jeff Paul | OH | St. Henry | 2014 | 2B | Ohio Dominican University |
| Jimmy Pelphrey | OH | Bethel | 2014 | C | |
| Sean Pfeifer | OH | Springboro | 2013 | OF | Ashland University |
| Clay Pittman | OH | Tinora | 2014 | C | |
| Derick Powell | OH | Eastern | 2013 | 2B | |
| Jason Reboulet | OH | Alter | 2012 | RHP | South Carolina |
| Zack Reboulet | OH | Alter | 2013 | SS | New Orleans |
| Todd Reichard | OH | Vandalia Butler | 2013 | RHP | |
| Eric Rinehart | OH | Waverly | 2014 | 3B | |
| Graham Roan | OH | Kenton Ridge | 2013 | LHP | |
| Bryan Robinson | OH | Piketon | 2013 | C | |
| Lee Solomon | OH | Columbus Academy | 2014 | 2B | Lipscomb |
| Brandon Veda | OH | Bishop Fenwick | 2015 | LHP | |
| Adam Watts | OH | Xenia | 2013 | C | |
| Adam Watts | OH | Xenia | 2013 | C | |
| Tony Winters | OH | Watkins Memorial | 2013 | LHP | Ohio |
| Luke Wolford | OH | Olentangy Orange | 2012 | 2B | Dayton |
| Peter Yorgen | OH | Vandalia Butler | 2013 | OF | Findlay |