Red Sox ink top prospect to big extension after just 5 MLB games

The Boston Red Sox have locked up somebody they hope to be a franchise cornerstone.

Kristian Campbell, one of their top prospects who made the big league club out of spring training, has signed an extension that could keep him with the club for the next 10 seasons.

The two sides agreed to an eight-year extension worth $60 million, ESPN reported. The team said the deal comes with club options for both the 2033 and 2034 seasons.

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Since Campbell was called up for opening day, he was under team control through 2030 — he'd make th...