Major League Baseball sent out a memo Saturday instructing teams to "not enter into agreements with Cuban players until you receive further notice from the Commissioner's office," Baseball America reports.
Muhammad has reported progress with his oblique injury and feels he could return shortly. "It's feeling a lot better," he told the Minneapolis Star Tribune. "Hopefully I'll be ready to play in a couple games. We worked on a lot of core stuff. And a lot of quick-moving stuff."