Southern Illinois led Dallas Baptist by as many as six runs on Thursday, but faltered late in a 10-8 loss to the Patriots (39-17) at Bob Warn Field.
Southern Illinois opened the 2016 Missouri Valley Conference Championship with a 4-3 victory over Evansville Wednesday morning.
No. 4 Southern Illinois (30-23-1, 11-10 MVC) opens the 2016 Missouri Valley Conference Championship at 8 a.m CT against No. 5 Evansville (27-25, 9-12 MVC).
Southern Illinois baseball had six players earn All-Missouri Valley Conference honors, the Valley announced on Tuesday.
A ninth inning rally came up just short for Southern Illinois in a 2-1 loss to Bradley on Saturday at Itchy Jones Stadium.