This article was originally published on www.si.com/mlb/mariners as ESPN MLB Insider Gives Bold Take on Seattle Mariners as Trade Deadline Nears. With the MLB Trade Deadline coming up on July 31, ESPN MLB Insider Jeff Passan described the Seattle Mariners as "all-in."

Right-handed pitcher Luis Castillo is scheduled to take the mound for the Mariners (54-47) at T-Mobile Park in Seattle. His earned run average in his last three appearances is just 1.45. Right-hander Quinn Priester will pitch for the Brewers (60-41). His ERA in his previous three appearances is 3.24.