Predicting who will win baseball games is a hard task. Baseball is notorious for its high degree of luck, regression to the mean, and the inability for anyone to judge a player’s “true” talent based off of only a few games.
For examples of the small sample size issue, here’s some extra content from Fangraphs, BP, and myself. First, The Meaning of Small Sample Data, by Dave Cameron. Next, here is
Predicting MLB Records from a “Small” Sample Size written by yours truly. Finally here is Baseball Therapy: It’s a Small Sample Size After All by Russell Carleton of Baseball Prospectus.
Now, on August 21, 2019, the Houston Astros played the Detroit Tigers, in Houston. Here's the historic gamecast link.