Under 1% of MLB employees test positive for virus antibodies

Researchers received 6,237 completed surveys from employees of 26 clubs. That led to 5,754 samples obtained in the U.S. on April 14 and 15 and 5,603 records that were used. The survey kit had a 0.5% false positive rate.

AP: MLB appoints 1st black umpire crew chief

Major League Baseball has appointed its first African American umpire crew chief, promoting Kerwin Danley to the position this week, The Associated Press has learned.