2021 AL & NL Championship Series Umpire Roster

Major League Baseball assigned 14 umpires to the 2021 American and National League Championship Series round of MLB's postseason, with crew chief Bill Miller working the ALCS and Jerry Meals presiding over the NLCS. The 7th umpire assigned to each crew will serve in a reserve or standby capacity and not travel to/from Replay Review during the postseason. Instead, the umpire rotation shall be as follows: Game 1: HP; Game 2: RF; Game 3: LF; Game 4: 3B; Game 5: 2B; Game 6: 1B; Game 7: Reserve/Off.

Crew Chiefs are indicated in bold text and by the -cc suffix with regular season crew chiefs denoted by an asterisk (*) while those working their first League Championship Series will be noted with a ^ mark.

AL Lg Championship Series (Boston Red Sox @ Houston Astros) Umpires:

HP: David Rackley^

1B: Bill Miller* -cc [Game 3 Plate]

2B: Laz Diaz [Game 4 Plate]

3B: Dan Iassogna* [Game 5 Plate]

LF: Jim Wolf [Game 6 Plate]

RF: Alan Porter [Game 7 Plate]

Reserve/Off: Rob Drake [Game 2 Plate]

NL Lg Championship Series (Los Angeles Dodgers @ Atlanta Braves) Umpires:

HP: Tripp Gibson^

1B: Jerry Meals* -cc [Game 3 Plate]

2B: James Hoye [Game 4 Plate]

3B: Mark Carlson* [Game 5 Plate]

LF: Lance Barksdale [Game 6 Plate]

RF: Todd Tichenor [Game 7 Plate]

Reserve/Off: Jordan Baker^ [Game 2 Plate]

Replay Review: Cory Blaser, Marvin Hudson, Nic Lentz.