A player on the 10-day disabled list does not count against the 25-man active roster but continues to count against the 40-man roster.There is no limit to the number of players a club may put on the 10-day disabled list.A player on the family medical emergency list continues to accumulate Major League service time.
When a player is added to the 40-man roster, his club has three “options,” or three separate seasons during which the club may move him to and from the minor leagues without exposing him to other clubs.
A player on the 40-man roster playing in the minors is on an optional assignment, and within an option season, there is no limit on the numbers of times a club may demote or recall a player.
A player may be activated beginning on Day 61, though the club is not required to reinstate at any specific time.
A player placed on the 60-day disabled list after August 1 remains there for the rest of the season.
If a player, through some action of his own, is unable to render his services to his club, the team may petition Major League Baseball to have the player placed on the restricted list.
Generally, the list is used for a long-term absence, such as drug suspension, a visa problem or leaving the club without permission.A player on the restricted list does not count against the 40-man roster, and there is no minimum or maximum length of time he must stay on the list.A player on the restricted list is not paid and does not earn service time.A club may send a player on the DL to the minor leagues for a rehab assignment lasting a maximum of 20 days for position players and 30 days for pitchers.Beginning with the 2011 season, teams could place a player who suffers from a concussion on a 7-day disabled list.A player on the 7-day DL does not count against the team’s active 25-man roster, same as the 15-day DL.A player on the 7-day DL does count against the team’s 40-man roster.There is no limit to the number of players a club may put on the 60-day disabled list, but a player may not be placed on (or transferred to) the 60-day disabled list unless the club’s 40-man roster is full.Once the season ends, a player on the 60-day disabled list must be reinstated to the 40-man roster or designated for assignment.A player may be activated beginning on Day 16, though the club is not required to reinstate him at any specific time.A player may be transferred from the 10-day disabled list to the 6o-day disabled list, but the opposite is not permitted.