San Francisco 49ers inside linebacker Chris Borland shocked the NFL when he announced his retirement after only one season.
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He said that he will pay back three-fourths of his signing bonus, which will come to a total of $463,077.
Borland retired due to fear of head trauma, joining Jake Locker in the club of NFL players to retire under the age of 30.
Despite his early retirement, Borland had a promising rookie season and even got a vote for Defensive Rookie of the Year after registering 107 tackles, a sack and two interceptions.
Sporting News reported on Borland’s decision to pay the 49ers back on Twitter.
— Sporting News (@sportingnews) March 22, 2015