The Chillicothe Gazette is reporting Zach Farmer, Ohio State's 21-year-old pitcher who had been battling acute myeloid leukemia for the past 15 months, has lost his fight.

Farmer was 21 years old. He will never be forgotten.

My condolences to Zach Farmer's family. Unfortunately Heaven has the best battery this morning @zfarm34 and @brock_dalen #RIP — Jeff Boals (@JeffBoals) August 4, 2015

In 9th grade, I was on deck when Zach Farmer was pitching. Struck out the guy in front of me to end the game, and I was very happy. — Jordan 96-97 (@MilaniJ23) August 4, 2015

Saddened to hear about the passing of Zach Farmer. RIP to the best pitcher I ever had the displeasure of facing — Nick Burton (@nburton2) August 4, 2015

Thoughts and prayers out to Zach Farmer and his family. Fly high and Rest In Peace. #zf11 — Jacob Bolton (@usainbolton13) August 4, 2015

“We are saddened by the loss of Zach,” Ohio State Vice President and Director of Athletics Gene Smith said in a release. “Zach was a remarkable young man who inspired us all. He made a tremendous impact on many lives and showed incredible courage in his fight. We send our heartfelt condolences to Zach’s family and friends during this difficult time.”

Clearly, Farmer touched many during his brief time at Ohio State.

"Today is a sad day but also a day of peace for Zach and his family,” Ohio State baseball coach Greg Beals said in the release. “We will dearly miss our fellow Buckeye, teammate and friend Zach Farmer. I feel blessed to have had Zach in our program and the opportunity to coach him. Although his time here was cut short, his legacy as a Buckeye will be long lasting. I am proud of the fight he fought – we learned so much from him. Zach’s courage to fight, positive attitude and love for his supporters and teammates defines what it means to be a Buckeye.”