The sophomore made a career-high 16 saves against Penn State.
Three players — Daniel Maltz, Jared Bernhardt and Logan Wisnauskas — netted hat tricks Friday evening.
The last time both sides faced each other, the Nittany Lions claimed a 13-10 victory — their first win over the Terps since 1924.
Eric Malever, Daniel Kelly and Jack Koras all notched a point in their Maryland debuts.
Benson was named interim offensive coordinator just weeks before the season started.
It's the first time the Terps have hit 20 goals in a conference game since 1983.
Fueled by a strong returning class and some experienced newcomers, the Terps are poised to compete at the top of the Big Ten.
Bernhardt notched 20 goals and nine assists in six games last season.
The Terps' have the No. 8 recruiting class in the country, per Inside Lacrosse.
Phipps, who graduated from this university in 2010, has played in the MLL for nine seasons.