add to the/one's depth
松井選手にオファーが来たとのこと！契約となれば、これから１ヶ月間、マイナーで「調整」をして、その結果いかんではメジャー復帰という青写真だそうです。
add to the/one's depthは「（技術や芸などに）厚みを増す」という意味です、松井が入ればマイナーなので、そりゃ厚くなるでしょう。（UG）
Hideki Matsui close to deal with Rays
April 23, 2012, 9:35 PM ET
The Tampa Bay Rays are close to signing designated hitter Hideki Matsui to a minor league deal, a source told ESPN The Magazine senior writer Buster Olney.
The source told Olney the Rays want to add to their depth at Triple-A Durham and to see how much is left in the slugger's bat.
Matsui, 37, spent last seaon with the Oakland Athletics, posting a .251 batting average with 12 home runs and 78 RBIs.
He spent his first seven MLB seasons with the Yankees where he was a two-time All-Star and won the 2009 World Series MVP.
Over his MLB career Matsui has hit .285 with 173 homers and 753 RBIs for the New York Yankees, Los Angeles Angels and A's.
Matsui was a star in Japan prior to signing with the Yankees, hitting .304 with 332 home runs in nine seasons with the Yomiuri Giants.
