Adding Players to MLB Reserve List

Only players on an MLB Reserve List (40-man roster) can be placed on an MLB Active List (25-man roster).

A free-agent with prior MLB and/or minor league service who signs a Major League contract must be added to his club's MLB Reserve List (40-man roster) when he is added to an MLB Active List or when the contract is filed with the MLB Commissioner (whichever comes first). Contracts must be filed with the MLB Commissioner within 20 days of signing.

A club must add a player to its MLB Reserve List immediately if the player is acquired as the result of a waiver claim, or if a player on another club's 40-man roster is acquired in a trade, or if a player is selected in the Major League Phase of the Rule 5 Draft.

In addition, an MLB club generally has the option to add any player who is on the reserve list of one of its minor league affiliates to its MLB Reserve List (40-man roster) at any time. The exceptions are:

1. A minor league player eligible for selection in the Rule 5 Draft cannot be added to an MLB 40-man roster during the period of time beginning with the filing of MLB and minor league reserve lists on November 20th (or November 19th if November 20th falls on a Saturday, or November 18th if November 20th falls on a Sunday) up through the conclusion of the Rule 5 Draft.

2. A minor league player who was sent outright to the minors cannot be added back to his club's MLB 40-man roster until he has spent at least 10 days on outright assignment, unless the player is selected to be the "26th man" on a day where a doubleheader was scheduled at least 48 hours in advance, or is selected to replace a player on the 25-man roster who is placed on the Disabled List, Bereavement List, Paternity List, Restricted List, Military List, Disqualified List, or Ineligible List, or if the season (including post-season playoffs) of the minor league team to which the player is assigned is over, or if the player is traded.

3. A minor league player eligible for selection in the Rule 5 Draft who was sent outright to the minors anytime after the previous Rule 5 Draft cannot be added back to his club's MLB 40-man roster during the period of time beginning at 5 PM (Eastern) on the 5th day after the final game of the World Series up through the conclusion of the Rule 5 Draft.

4. An unsigned minor league player who is eligible to be a Rule 55 minor league free-agent (player was previously released in his career and/or player has spent all or part of at least seven separate seasons on a minor league active list or disabled list) cannot be unilaterally added (by selection) to his club's MLB 40-man roster any later than 5 PM (Eastern) on the 5th day after the final game of the World Series (or 5 PM Eastern on October 15th if the World Series is canceled).

5. A player on an MLB Reserve List (40-man roster) who is given his Outright Release during the period of time extending from September 1st through March 31st cannot be added back to the MLB 40-man roster of the club that released the player until May 15th, and a player on an MLB 40-man roster who is given his Outright Release during the period of time extending from April 1st through August 31st cannot be added back to the MLB Active List of the club that released the player for at least 30 days.

6. A player who has not previously signed an MLB or minor league contract can be "Signed for Future Service" (contract is for the following season) if the player signs a Major League contract after July 1st. A player who is "Signed for Future Service" by an MLB club must be placed on the club's MLB Reserve List (40-man roster), and cannot play in MLB or in the minor leagues until Opening Day of the following season. (Attendance at a post-season Instructional League and/or participation in Instructional League games do not count). A player on an MLB 40-man roster who is "Signed for Future Service" cannot be sent to the minors by Optional or Outright Assignment any earlier than 20 days prior to MLB Opening Day (same as a Draft-Excluded Player).

7. Beginning in 2012, players signed after being selected in the MLB Rule 4 Draft, players signed as Non-Drafted Free-Agents (NDFA) after being eligible for selection in the MLB Rule 4 Draft, and international players subject to the International Signing Bonus Pool rule, cannot be signed to a Major League contract.

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  • Well noted. You may also note that Lester's Career Playoff ERA is almost a full point lower, and he has a lower WHIP as well.

    Can't have everything, I guess.

    The E-Man 4 hours 15 min ago view
  • i'm happy enough with the Lester signing, but Scherzer has more than earned the extra money so far. If he was in the rotation instead of Lester, this team would feel practically bulletproof to me.

    Blaspheme maybe, but I think Scherzer is the best pitcher in the NL right now.

    John Beasley 5 hours 6 min ago view
  • Maddon was pimping Russell for Gold Glove honors recently as a manager should do...

    Here's some defensive numbers:

    Fangraphs

    1. Crawford (22.2)
    2. Seager (16.9)
    3. Cozart (14.2)
    4. Hechavarria (13.5)
    5. Russell (12.4)

    Baseball Reference

    1. B. Crawford 2.3
    2. Russell 2.0
    3. Hechavarria 1.7
    4. N. Ahmed 1.6
    5. Z. Cozart 1.5

    .....

    13.C. Seager 0.7

    Traditional stats

    Crawford

    .978 FP, 11 E, 333 A, 162 PO, 562 Chances, 4.27 RF, 72 DP Turned

    Russell

    Rob G. 5 hours 39 min ago view
  • Let me guess: Land of Contusion? Puppet Prez Reagan mistakenly blows the world up due to a bum thumb?

    Eric S 8 hours 34 min ago view
  • Favorite Genesis video

    https://youtu.be/QHmH1xQ2Pf4

    jacos 9 hours 4 min ago view
  • Twitterverse reporting that Almora's examination by a hand specialist went okay, it's still just a hand contusion.

    Eric S 9 hours 43 min ago view
  • Attaboy, Eloy! Jimenez named Midwest League MVP and Best Prospect.

    Gonzalez and Morrison also honored.

    VirginiaPhil 15 hours 3 min ago view
  • QuietMan 1 day 1 hour ago view
  • FYI, formatting of the web page is weird.

    JoePepitone 1 day 3 hours ago view
  • Now who can argue with that? I think we're all indebted to Gabby Johnson for clearly stating what needed to be said. I'm particularly glad that these lovely children were here today to hear that speech. Not only was it authentic frontier gibberish, it expressed a courage little seen in this day and age.

    Jackstraw 1 day 4 hours ago view
  • White Sox new stadium name w apropos logo

    https://mobile.twitter.com/SportsCenter/status/768...

    jacos 1 day 4 hours ago view
  • it was between that and "more like the CRUNCH REALLY EARLY AM REPORTER because i'm gonna c.r.e.am all over this place."

    i chose the classy route.

    crunch 1 day 4 hours ago view
  • Rob G. 1 day 4 hours ago view
  • that was the 2nd greatest piece of performance art since Donald Trump's campaign

    Rob G. 1 day 4 hours ago view
  • 👌👀👌👀👌👀👌👀👌👀 good shit go౦ԁ sHit👌 thats ✔ some good👌👌shit right👌👌there👌👌👌 right✔there ✔✔if i do ƽaү so my self 💯 i say so 💯 thats what im talking about right there right there (chorus: ʳᶦᵍʰᵗ ᵗʰᵉʳᵉ) mMMMMᎷМ💯 👌👌 👌НO0ОଠOOOOOОଠଠOoooᵒᵒᵒᵒᵒᵒᵒᵒᵒ👌 👌👌 👌 💯 👌👌🎩👓🎩👍🎩👓🎩👍🎩 euphoric logic !euphoric loGic👌 thats ✔ some euphoric👌💻 logic right👌💻there👌👍👌 Carl 🔭 Sagan🌌💫if i do ƽaү so gentlemen 💯 i say so 💯 thats euPhoric logic right there Richard 📒 Dawkins🎩 (chorus: socrates died for this shit) mMMMMᎷМ💯 👌👓👌НO0ОଠOOOOOОଠଠOoooᵒᵒᵒᵒᵒᵒᵒᵒᵒ👌 👌🎩 👌 💯 👌 👓🎩🎩🎩 👍👌euphoric logic slam me the FUCK uP 👌👀👌👀👌👀👌👀👌👀 john cena JOhN cEna

    crunch 1 day 5 hours ago view
  • You can start the CRUNCH EARLY AM REPORTER. Then you can blog to yourself, and argue with yourself about Jon Lester.

    The E-Man 1 day 6 hours ago view