(Seattle, WA) -- It's Opening Day in Major League Baseball. The Mariners kick off the 2018 campaign tonight at home against the Indians. Felix Hernandez starts the opener of the three-game series for Seattle, while Cleveland counters with reigning AL Cy Young winner Corey Kluber. First pitch from Safeco Field is 7 o'clock. This will be Hernandez's 10 straight Opening Day start.