Spring training is a period where baseball teams prepare for the upcoming season. Injuries during this time can significantly impact a team's plans and player availability. A dislocated shoulder occurs when the upper arm bone pops out of the shoulder socket. - Nick Madrigal, a new Mets signing, dislocated his left shoulder while fielding a ground ball during a spring training game against the Washington Nationals. - Madrigal immediately left the game and was replaced by Wyatt Young. - Mets manager Carlos Mendoza confirmed the dislocation and stated that Madrigal will undergo an MRI to assess the full extent of the injury. - Madrigal, who signed with the Mets after playing for the Chicago Cubs, was expected to compete for a job in the Mets infield.