(Seattle, WA)  --  The Mariners have extended left-handed pitcher Marco Gonzalez, signing him to a four-year contract worth 30-million-dollars.  The 27-year-old finished 16-and-13 with a 3.99 ERA last season after starting 5-and-0 in April.  The M's have an option for 2025 worth 15-million-dollars with no buyout.  He was 13-and-9 in 2018 in his first full season since being acquired from the St. Louis Cardinals.