Midfielder Malcolm Johnston and defender Nick Richardson have both already notched career highs in goals this season.
Stefan Copetti scored the Terps' only goal in the 74th minute.
The victory sends the Terps three points clear at the top of the Big Ten table.
The senior is the most prolific penalty kick taker in the country.
The Terps notched their second consecutive clean sheet in the win.
The forward tallied his first career goal for the Terps against Michigan on Sept. 16 after joining the team his dad played for in the 1980s.
The Terps had conceded in seven straight games to start the season.
Maryland notched its first clean sheet of the season after conceding goals in seven-straight games to begin the year.
The Terps struggled to stay in front against the Nittany Lions, ultimately resulting in a draw.
The draw marked the fifth straight winless match for the Terps against the Nittany Lions.