MLB December 1, 2021 9:52 am MLB Lockout Begins After CBA Negotiations Stall Major League Baseball’s collective bargaining agreement expired on December 1 at 11:59 p.m. ET. With no agreement met, the league entered a work stoppage. US & World Videos 0:39 How Caitlin Clark fared in Fever WNBA debut 2:09 2024 NBA Draft: Top prospects, predictions, where will Bronny James fall? 2:20 2024 PGA Championship preview 0:44 2024 Preakness Stakes: Date, time, horses competing 2:13 Biggest offseason questions surrounding Sixers, Bucks, Clippers, Magic