AP Source: Cardinals, RHP Martinez agree to $51M extension (Yahoo Sports)

The St. Louis Cardinals and right-hander Carlos Martinez have agreed to a $51 million, five-year contract extension that buys out his arbitration years and includes two team options, according a person direct knowledge of the deal. The contract breaks the record for a pitcher reaching arbitration for the first time. The Indians signed Corey Kluber to a $38.5 million, five-year deal in 2015.