Carlos Castro
FILE - Baseball Commissioner Rob Manfred, left, and Major League Baseball Players Association executive director Tony Clark speak before Game 1 in baseball's World Series between the Houston Astros and the Atlanta Braves, Oct. 26, 2021, in Houston. A five-year contract between MLB and the Major League Baseball Players Association expires at 11:59 p.m. EST on Dec. 1, 2021. (AP Photo/Ron Blum, File)
Key people and background in MLB labor negotiations

By Ronald Blum Nov. 29, 2021 05:16 PM EST