The event will be held from 5 to 7 p.m. on Tuesday, April 9, at 3 Dots Downtown.
The Nittany Lions have scored 69 runs in their last seven contests.
Ellis hasn't received many looks ahead of the draft.
Timely home runs sprinkled throughout the series gave the Nittany Lions their third straight Big Ten series.
The game ended via the mercy rule in the seventh inning.
The Nittany Lions are one win away from clinching the EIVA regular season championship.