Updated MLB Championship Series Playoff Odds: Saturday 10/21/17

Justin Verlander helped force a Game 7 with a dominant outing on Friday night. Who has the advantage heading into tonight's winner-take-all affair?

Every plate appearance during the MLB postseason has the potential to dramatically swing a series, turning an underdog into the odds-on favorite. With each game, a team moves closer to its ultimate goal of hoisting the World Series trophy.

As such, we here at numberFire are going to keep you up to date with all of the latest postseason odds as the playoffs advance. Each day, we'll give an update, detailing the odds that each team is able to advance to the next round.

Below are the odds entering play on Saturday, October 21st.

American League Championship Series

New York Yankees and Houston Astros are tied, 3-3.

New York Yankees win in 746.46%
New York Yankees win series46.46%
Houston Astros win in 753.54%
Houston Astros win series53.54%