Career Stats
| Career Game-by-Game Stats - 
2018:
- Appeared in 32 games in the circle, making 28 starts
- All-Horizon League First Team selection
- Horizon League All-Tournament selection after pitching 30.0 innings with a 2.10 ERA and striking out 18 batters
- Named to the National Fastpitch Coaches Association (NFCA) Great Lakes All-Region Third Team with teammate Madison Jones, becoming the first Oakland players since 2006 to earn NFCA honors
- Had a career best 16-9 record with a 2.43 ERA
- Pitched 161.1 innings striking out 106 batters
- Held opponents to a .241 batting average
- Gave up just three home runs all season
- Tossed 13 complete games, two of them being shutouts
- Recorded one save
- Her 16 wins was tied for the best in the Horizon League and ranks as the fourth most in a single season in Oakland's history
- Ranked second among league pitchers in ERA
- Struck out a career high 10 batters on two occasions which ranked fourth best in a game among conference pitchers
- Dominated in league play with a 9-3 record with just a 1.42 ERA in 14 appearances, only allowing eight walks
- Ranked inside Oakland single season top-10 in: appearances (10th), games started (fifth) and innings pitched (10th)
- Finished the season ranking inside Oakland's career top-10 in: wins (fourth; 36), appearances (sixth; 99), games started (fourth; 78), ERA (fifth; 2.64), complete games (fifth; 42), shutouts (eight; four), saves (sixth; two), innings pitched (fifth; 482.1), strikeouts (sixth; 329) and strikeouts per seven innings (sixth; 4.77)
- Named Horizon League Pitcher of the Week on May 7
2017:
- Started in 17 games in the circle with 23 appearances with a 3.62 ERA and 5-12 record
- Second on the team in strikeouts (70) which ranked ninth in the league, opponent batting average (.278) also ranked ninth
- Recorded eight complete games with 100.2 IP
- Tossed complete game shutout with four strikeouts against North Dakota (2/18)
- Had career second best eight strikeouts against NKU (4/1) for second win of the season
2016:
- Made 23 starts and 28 appearances on the mound
- All-Horizon League Second-Team Selection
- Started 26 of 31 games at the plate
- Posted a 10-14 record with 16 complete games ranking third in the league in ERA (2.15) and strikeouts (96), fourth in innings pitched (146.1) and sixth in league opposing batting average (.261)
- Helped Oakland's pitching staff to a league-best ERA (2.15) while ranking second in opposing batting average (.247) in conference-only statistics
- Tossed a one-hit complete game shutout with nine strikeouts losing her no-hit bid with two outs in the bottom of the seventh inning against YSU (Apr. 1)
- Had 16 complete games with two shutouts
- At the plate, tallied 17 hits, 10 RBI, five runs and recorded her first career home run with a three-run shot leading Oakland to a doubleheader split at Green Bay (May 3)
- Picked her first career save against Sacred Heard (Feb. 26)
- Earned 2015 Fall and 2016 Spring Horizon League Honor Roll distinction
2015:
- Started in 10 of 16 appearances in the circle.
- Posted 5-5 record, 2.74 ERA, with five complete games and ranked second on team with 57 strikeouts.
- Named to Horizon League All-Freshman Team.
- Ranked fourth in league opposing batting average (.267).
- Picked up first career win vs. Stoney Brook (Feb. 21).
Academic Honors:
- Horizon League Academic Honor Roll (Fall 2015)
- Horizon League Academic Honor Roll (Spring 2016)
- Horizon League Academic Honor Roll (Fall 2016)
High School:
- Four-year softball letter winner for Dave Marr, one year captain
- Four-year volleyball letter winner for Christine Stanichuek
- 2012-14 Three-time All-Region selection in softball and volleyball
- 2011-14 Four-time All-District and All-County selection in softball
- Member of 2012 District Champion Team - Softball
- Member of 2013 District Champion Team - Volleyball
- Graduated Magna Cum Laude from Troy Athens High School
- 2011-14 Four-year Honor Roll selection
- Member of National Honor Society
Top Athletic Performance:
- Tallied over 1000 strikeouts in high school career
- Set single season and career high school record for strikeouts, lowest ERA, and innings pitched
- Also set single season school record for RBI
Personal:
Full Name: Haley Madison Zemmer
Birthdate: July 18, 1996
Parents: John and Debbie Zemmer
Siblings: Jonathan
Major: Health Sciences
Top Three Reasons for Choosing Oakland:
1. Athletics
2. Academics
3. Close to home