Battle's commit comes just one day after the Terps landed offensive tackle Santana Saunders.
Clemsen will make $170,000 per year in base salary.
The Terps have racked up 10 records between the indoor and outdoor seasons.
“I'm going to challenge the fans and the supporters to show up and to believe in this thing."
The Blue Jays outscored the Terps 6-1 in the period.
Clemsen's hire ends a nationwide search following Kerry McCoy's resignation.
After a lightning delay, the final 12 minutes were played indoors.
Parsons allowed two hits over eight innings.
The Terps lost all nine of their Big Ten duals in Kerry McCoy’s last year as head coach.
“I wanted to win a national championship, but I’m happy. Not satisfied, but happy.”