Ronald J. Kramer (born June 24, 1935 - September 11, 2010) played football for the University of Michigan and in the National Football League for the Green Bay Packers and Detroit Lions.

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Ron Kramer, the former Wolverine tight end, passed away on September 11 this year. Kramer was widely regarded as the lone bright spot of Michigan football in the mid–to-late 1950s. Bigger and stronger than the competition despite playing both ways, his time at Michigan was so singularly dominant that head coach Bennie Oosterbaan retired his jersey after his senior season in 1956, making him one of seven players in 131 seasons to see his Michigan football jersey, number 87, retired.

Wikipedia: Ron Kramer