The St. Louis Cardinals have made a giant splash in the trade market, acquiring All-Star slugger Paul Goldschmidt from the Arizona Diamondbacks in exchange for Andy Young, Luke Weaver, Carson Kelly and a draft pick.

Ken Rosenthal of The Athletic broke the news.

The Cardinals have missed the playoffs in each of the past three years now, so the front office was ready to make a big move. They acquire a six-time All-Star who has a trio of Gold Glove Awards and four Silver Slugger on his resume.

Goldschmidt had another productive season for the Diamondbacks, batting .290 with 33 home runs, 83 RBI and an OPS of .922. Goldschmidt also posted an impressive wins-above-replacement of 5.4.

The 31-year-old Goldschmidt will make $14.5 million in base salary this year, per Spotrac.com. Rosenthal added that the Cardinals hope to re-sign Goldschmidt to an extension as they try to make him comfortable with his new team.

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Credit: Mark J. Rebilas-USA TODAY Sports

After reaching the postseason in 2017, the Diamondbacks experienced a terrible second half meltdown and missed the playoffs in 2018. They finished with an 82-80 record - nine games behind the Colorado Rockies for the second wild card spot in the National League.

The Diamondbacks are also shopping All-Star pitcher Zack Greinke. He was signed to a six-year contract worth $206.5 million in the 2015 offseason. He's 35 years of age and has three years left on his deal.

What This Means

With the Los Angeles Dodgers and Colorado Rockies set to rule the NL West for many years, the Diamondbacks appear to be in full-on rebuilding mode. Getting a trio of young assets from the Cardinals is a good start for the front office.

As for the Cardinals, they have a new slugger to build around, and there's good reason for optimism entering 2018. Goldschmidt joins a team led by other talents in Marcell Ozuna, Matt Carpenter and Jose Martinez. It's a huge win for the Cardinals, who are now set for a big run in 2019.

NEXT: THE MARINERS COMPLETE MULTI-PLAYER TRADE AS FIRE SALE CONTINUES