Polymarket pricing moved sharply in two MLB-related markets monitored by Catcher Predict. In the event "Seattle Mariners vs. Milwaukee Brewers," the Seattle Mariners option rose from 56.5% an hour earlier to 91.5%, a 35-percentage-point increase. In "New York Yankees vs. Baltimore Orioles," the New York Yankees option climbed from 43.5% to 59.5%, a 16-percentage-point increase. Catcher Predict said relevant breaking news could be affecting the moves. On prediction-market platforms, contract prices are commonly interpreted as market-implied probabilities for defined outcomes.