Here are a few late night MLB transactions from MLB.com:

• The Houston Astros signed free agent second baseman Matt Kata. Kata, who turned 32 today, hit .200 (10 for 50) in 40 games with the Astros in 2009. In 5 Major League season, Kata has his hit .239 in his career. You can see Kata’s contract history here.
• The Diamondbacks have signed free agent left fielder Doug Deeds. This spring with the Chicago Cubs, Deeds has hit .231 (9 for 39) in 18 games.
• The Detroit Tigers have signed left-handed pitcher Andrew Oliver. Oliver pitched yesterday in his only Spring Training appearance. He went 2 innings giving up 1 hit and getting 1 strikeout.