Citing team sources, the outlets said Ross and the Diamondbacks have agreed to terms on a contract worth $26 million.
Ross, who turns 32 Sunday, batted .267 with 22 home runs and 81 RBI last season through 130 games for the Boston Red Sox while earning $3 million -- his second-highest totals over his nine-year career.
The right-handed hitter has compiled a .262 average with 122 homers and 452 RBI in 887 career games with Detroit, the Los Angeles Dodgers, Cincinnati, Florida, San Francisco and the Red Sox.
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