Because he was acquired before September 1, Leake would be eligible to pitch in the postseason if the Mariners were to somehow make it.
St. Louis will send the Mariners $2.5 million on September 30, $3 million each on July 1 and September 30 next year, $2.5 million each on those dates in 2019 and $2 million each on those dates in 2020.
Leake is under contract through the 2020 season with an option for 2021.
Leake on the season has an ERA of 4.21 in 2017.
At 66-67, the M's are now three games out of the final American League wild card spot after dropping four straight.
This trade was pretty slick for Jerry Dipoto.
Ultimately, Dipoto finally got the pitching the Mariners needed, and while it may be too late to snag a playoff spot in 2017, they certainly cheaply bolstered their rotation depth for next season.
Leake has been one of the most durable starters in the National League but has not been at his best since the All-Star break. After starting the season 5-3 with a 2.24 ERA in his first 10 starts, Leake's numbers have slowly trended in a negative direction.
Ascanio, 21, was signed by the Mariners as an global free agent in 2012 at age 16, and the slick-fielding infielder has compiled a career batting mark of.240 with 15 home runs and 158s RBI in 425 games at the minor-league level. "And the way we viewed it is if Mike Leake is a 30-year-old free agent and we were able to achieve this deal with him we would feel comfortable signing him to that contract". The switch-hitting Ascanio, a native of Mariara, Venezuela, has compiled a career batting mark of.240 with 15 homers and 158 RBIs in 425 games at the minor league level.