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Lake Superior State University Sports Medicine


Mission Statement

Lake Superior State University Intercollegiate Athletics is committed to providing all student-athletes a level of care that ensures their safe participation, aids in their individual and team's success and preserves their ability to enjoy a lifetime of physical activity. The professional medical staff is also dedicated to educating student-athletes and assisting them in developing their ability to make informed decisions regarding their personal health.



Athletic Training Staff


Patrick Sarni

Patrick Sarni, MS, AT, ATC

Phone: 906-635-2847





Patrick Sarni enters his second year as head athletic trainer at Lake Superior State University in 2020-21.

Prior to Lake Superior State, Sarni served as an assistant athletic trainer at Lawrence Technological University, where he worked as the primary athletic trainer for both the NAIA and ACHA DIII hockey teams, and the men's and women's tennis teams in 2018-19.

Before his time at Lawrence Tech, Sarni was a graduate assistant athletic trainer at the University of South Carolina (2016-18), where he worked with the men's basketball, men's tennis, golf and football programs.

Before his time at University of South Carolina, Sarni assisted with various teams, including hockey, while pursuing his bachelor's degree at Michigan State University (2012-2016). In addition, he completed a summer athletic training internship with the Detroit Tigers Major League Baseball organization in 2015.

A native of Perrysburg, Ohio, Sarni holds a Master of Science in advanced athletic training from the University of South Carolina ('18) and Bachelor of Science in athletic training from Michigan State University ('16).



Rebecca Schwesinger, AT, ATC, PTA

Phone: 906-635-2604





Rebecca Schwesinger enters her first year as an athletic trainer at Lake Superior State University in 2020-21. Schwesinger will primarily work with the volleyball, men’s basketball, women’s basketball, cross country, and track and field teams at LSSU. 

Prior to joining the Laker staff, Schwesinger worked as a physical therapist assistant at War Memorial Hospital in Sault Ste. Marie, Mich. 

Schwesinger attended Kent State University in Kent, Ohio, where she received her associates degree as a physical therapist assistant. 

Schwesinger graduated from Lake Superior State University in 2018 with a bachelor’s degree in athletic training and kinesiology. During her undergraduate studies, Schwesinger served as a student athletic trainer with the Lakers. Schwesinger was an intern athletic trainer at LSSU during the 2018-19 school year and worked with the men’s and women’s basketball teams. 

Schwesinger, a native of the Eastern Upper Peninsula, currently resides in Sault Ste. Marie, Mich. 


Medical Staff

Dr. Tetzaff

Timothy Tetzlaff, D.O.


Dr. Tetzlaff has cared for patients in the Eastern Upper Peninsula for over 2 decades. He considers it as a privilege to be involved in the lives of his patients and care for them. Dr. Tetzlaff went to Trent University in Peterborough, ONT, Canada for his undergraduate studies. Then he attended Philadelphia College of Osteopathic Medicine for his medical school. His internship and residency were at Martin Place Hospital in Madison Heights, MI. He is a board certified family physician with full hospital admitting privileges at War Memorial Hospital in Sault Ste. Marie, MI.



Dr Mackie

Robert Mackie, M.D.


For over 20 years, Dr. Robert Mackie has treated many patients while also motivating countless people to be proactive in their own healthy living practices. Dr. Mackie attended Albion College for his undergraduate studies. He then attended Wayne State University for medical school. His internship and residency were completed at Saginaw Cooperative Hospitals. He is a board certified family physician with full hospital admitting privileges at War Memorial Hospital in Sault Ste. Marie, MI.



Dr. Pete

Peter Scornaiencki, D.C., CCSP


Dr. Peter Scornaiencki (Dr. Pete) graduated Magna Cum Laude from Northwestern College of Chiropractic in March 2000. After working at two practices in Minnesota, he started Bordertown Chiropractic in the Sault, with his wife Dr. Rachael McCoy, in July 2001. He furthered his education, receiving his Chiropractic Sports Physician Certification in 2011. He is actively involved in the community, as an active member of the Sault Rotary Club and trustee for Hospice of the EUP. He enjoys running, bicycling, golf and hockey. He lives in Sault Ste. Marie, Michigan with his wife Rachael and children; Caitlyn and Tyler.

Dr. Racheal

Rachael McCoy, D.C., CCSP


Dr. McCoy graduated from Northwestern College of Chiropractic in July 2001. She started Bordertown Chiropractic, with her husband Dr. Pete, in Sault Ste. Marie after finishing her internship in Houghton Lake Michigan. Dr. McCoy then attended Options for Animals and became certified by the AVCA as an Animal Chiropractor in 2003. She returned to the classroom again in 2011 to become certified as a Sports Chiropractor. Along with her many academic achievements she is very involved in the community. She is currently a board member for the Sault Ste. Marie EDC.  She enjoys competing in triathlons, riding her horse and spending time with her two children, Caitlyn and Tyler.

Dr. Jagannathan

Dr. Jay Jagannathan M.D., FAANS


Dr. Jagannathan is a board certified neurosurgeon specializing in cranial and spinal surgery. He has a special interest in minimally invasive techniques, which often result in less post-operative discomfort, and a quicker recovery for patients.Following his neurosurgical training, Dr. Jagannathan built busy practices at Wayne State University and Northern Michigan. His goal is to provide excellent neurosurgical service to the community, combining compassionate care, advanced neurosurgical techniques and easy accessibility for patients. With offices in Troy, Garden City, West Branch and Sault Ste. Marie, Dr. Jagannathan is always available for easy consultation with any of his patients. 



 Medical Forms