The Nittany Lions were mercy ruled for the third time this season.
Mau has four years of eligibility remaining.
Merkle withdrew her name from the transfer portal and was previously committed to Maryland.
Konan Niederhauser has two strong performances in the G League Elite Camp.
The Nittany Lions' offense abandoned 15 runners on base during their regular-season finale loss.
The Nittany Lions secured the series victory on Saturday.