Manning ended the year with 100 saves and only 148 goals against.
Fowler served as the student marshal at his graduation.
First pitch is scheduled for 4:30 p.m. on Wednesday, May 8, in Iowa City, Iowa.
TJ Malone, Matt Traynor, and Luke Walstrum were all recognized.
Kristin O'Neill, Gretchen Gilmore, Kayla Aberthany, and Ellie Hollin all earned recognition.
The gym will replace the Rite-Aid that previously owned the space. An opening date has not yet been announced.