Oakland will also receive cash considerations in the deal, while Texas will get two players to be named later along with international slot compensation.
This season has been a disappointment for Minor coming off the best year of his career. He currently has a 5.60 ERA with almost as many hits allowed (35) as innings pitched (35.1).
The A's, who have the third-best record in baseball at 22-12 but only hold a 2.5-game lead over the Houston Astros in the AL West, will be hoping a change of scenery gets Minor back to the form he showed in 2019. The southpaw finished eighth in American League Cy Young voting with a 3.59 ERA and 200 strikeouts in 208.1 innings.
Minor was having a terrific career renaissance since a torn labrum caused him to miss two full seasons in 2015 and 2016. The southpaw came back as a reliever with the Kansas City Royals in 2017 and posted a 2.55 ERA with 88 strikeouts in 77.2 innings.
Despite not starting a game for three seasons, the Rangers saw enough from Minor to sign him to a three-year deal worth $28 million in December 2017. His return to the rotation was met with some initial difficulties in 2018 but he bounced back with a strong last season.
Minor isn't a long-term investment for the Oakland, as he will be eligible for free agency this offseason.