Minor Moves: Crotta, Richardson, Blue Jays

Here are today's minor transactions from around baseball, with the newest moves at the top of the page…

• The Nippon Ham Fighters signed right-hander Michael Crotta to a $500K contract, MLBTR's Tim Dierkes reports (Twitter link).  Crotta's only Major League experience came in 2011 when he posted a 9.28 ERA over 10 2/3 relief innings with the Pirates.  He spent his first six pro seasons in Pittsburgh minor league system and pitched for the Nationals' Triple-A affiliate in 2013, posting a 3.57 ERA over 58 relief innings.
• The Yankees signed outfielder Antoan Richardson to a minor league deal and invited him to their Major League Spring Training camp, ESPN's Jerry Crasnick tweets.  Richarson appeared in nine games as a pinch-hitter and pinch-runner for the Braves in 2011.  The 30-year-old Nassau native has a .278/.399/.347 slash line with 318 steals (out of 378 attempts) in 3548 PA over his nine-year minor league career.  Richardson spent 2013 in the Twins' farm system.
• The Blue Jays announced that right-handers Marcus Walden, Michael Broadway and shortstop Jonathan Diaz have all agreed to terms on minor league contracts with invitations to the Major League Spring Training camp.