March 6, 2021

MLB Announces Rule Changes For 2020 Season (MLB Trade Rumors)


Major League Baseball announced on Wednesday the implementation of several rule changes that will take place in 2020 — most notably the previously reported three-batter minimum for pitchers, the expansion of standard roster size from 25 to 26 players, a two-way player designation rule and a longer injured list/optional assignment minimum for pitchers and two-way players.

From the league’s official release:

  • Three-Batter Minimum: The Official Baseball Rules have been amended to require the starting or any relief pitcher to pitch to a minimum of three batters, including the batter then at bat (or any substitute batter), until such batters are put out or reach base, or until the offensive team is put out, unless the substitute pitcher sustains injury or illness which, in the umpire crew chief’s judgment, incapacitates him from further play as a pitcher.  The three-batter minimum will become effective in 2020 Spring Training beginning on Thursday, March 12th.
  • Rosters through August…



Read “MLB Announces Rule Changes For 2020 Season” at MLB Trade Rumors