Props to Mike Axisa for noticing this before anybody else did. In addition to their Rule 5 protection moves last Thursday, the Yankees also signed 23-year-old utility player Jonathan Galvez to a Minor League contract. Galvez, formerly of the Padre organization, has never played in a Major League game. He spent the last 2 seasons in Triple-A and he hit .280/.354/.449 with 10 HR, 55 R, and 52 RBI in 103 games (389 PA) this past season.
Because the deal is a MiL one, Galvez did not have to be added to the 40-man roster, although it's a safe bet that he received an invitation to Spring Training. The Yankees are in dire need of help at multiple infield positions and Galvez could sneak up and steal a bench job with a strong ST. He started his career off as a second baseman/shortstop, but he's played more third base and corner outfield recently.
There's a lot of Yangervis Solarte in this situation. Lifetime Minor Leaguer, cheap signing, hits for good average and decent enough on-base and power, plays and has played multiple infield and outfield positions. And he's years younger than Solarte was. That gamble worked out pretty well for the Yankees for a few months this season. No harm in going back to that low-risk well again. If nothing else, Galvez can hook on as a util guy in Triple-A and be ready should injuries strike.