Robert Grays, of Midwestern State University, died on Tuesday in hospital in Houston, Texas.
The 19-year-old injured himself in the final minutes MSU’s game against Texas A&M-Kingsville in Wichita Falls.
He was taken to a local hospital and then flown to his hometown of Houston.
Grays, who was majoring in general business, was surrounded by family at the time of his death.
A statement on the Midwestern State University Facebook page read: “Today we mourn the loss of one of our own.
“Robert touched many lives while attending the university, but perhaps he will be remembered best for his smile.
“He was an inspiration on and off the field to those around him, and he will be remembered with love and affection by his friends, classmates, coaches and team-mates.
“This tragedy has struck at the heart of our community, and has affected us in many ways.”
MSU coach Bill Maskill described Grays as a “tremendous individual”.
“I really believe he might have been the most popular man on our team. He always had a smile on his face,” he said.
“I never saw him have a bad day. He was an uplifting spirit for all of us. He was an exciting, fun loving guy.
“He’s going to be sorely missed. Somehow, someway we’ll find a way to fight through it. Robert would want us to forge ahead.”
Around 700 people attended a vigil held at the university on Monday night.