I’m not sure how they’re figuring it. Miguel Cabrera got a 7 year contract worth just short of $300 million.
That dollar amount is over seven years, provided he achieves all of the target incentives such as a certain number of RBIs, HRs, batting average, or world series participation per year. What he will be paid if he does nothing else other than show up at the ball park on a daily basis is a considerably smaller dollar figure.