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JUN 1974: BJORN BORG OF SWEDEN PREPARES TO MAKE A SERVE DURING A MATCH AT THE 1974 WIMBLEDON TENNIS CHAMPIONSHIPS.

Odd and premature sports retirements

Yahoo SportsMarch 8, 2016

The Detroit Lions announced Tuesday that WR Calvin Johnson has retired. Johnson, who walks away at age 30, signed a 7-year contract extension in 2012 worth $113.5 million. Here's a look back at some other odd, abrupt or premature retirements by star athletes over the years.