University of the Pacific

2020 (Redshirt Senior)
Started all 15 of her contests for Pacific with a .347 save percentage. Recorded a season-high 13 saves in Pacific's season-opening win over Sonoma State (1/22). Also racked up a team-high 29 steals for Pacific. 

2019 (Redshirt Junior)
Appeared in nine games for the Tigers. Finished the season with 20 saves and a .606 save percentage. Tallied a season-high seven saves and a steal against St. Francis (3/2). Also registered a save in the NCAA Women's Water Polo first round game against No. 1  Stanford (5/10). 

2018 (Redshirt Sophomore)
Appeared in seven games for the Orange and Black. Averaged two saves per contest with a .452 save percentage. Recorded four saves on two occasions against USC (3/25) and on the road against Concordia (4/7). Also recorded a season-high three steals in a win over Azusa Pacific (3/17). 

2017 (Redshirt Freshman)
Appeared in five games with one start, posting a 1-0 record. Recorded a season-high eight saves in 16 minutes during the second half of Pacific's win over Pomona-Pitzer (1/21). Played all 32 minutes in a win over Concordia (4/8) with three saves and just two goals against. Took over in goal for the final 1:38 against Stanford in the NCAA Quarterfinals (5/12), recording a save on the only shot she faced.

2016 (Redshirt):
Redshirted.

High School
Pfaff was named the 2014 Marin County Athletic League Goalie of the Year for Justin-Siena High School in Napa, totaling a single-season school record 189 saves at a rate of 11.1 per game. Also added 18 steals and 15 assists with five goals for the Braves, earning team Most Valuable Player honors.