Texas Rangers reliever Jeremy Jeffress has checked into an inpatient rehabilitation clinic and will not be suspended by Major League Baseball after a DWI arrest last Friday during which police found marijuana in his car, league sources told Yahoo Sports.

The 28-year-old Jeffress is expected to spend about a month in a Houston-area clinic, according to sources. While his status for the rest of the season remains up in the air, rejoining the Rangers for the postseason remains a possibility, sources said.

Jeffress, who twice had been suspended while in the minor leagues for marijuana use, went to rehab in 2009 after a 100-game suspension. His blood-alcohol content was .115 early Friday morning, when he was pulled over in Dallas County. Jeffress denied the marijuana was his and was not charged with possession. The Rangers placed Jeffress on the restricted list after his arrest.

Texas acquired Jeffress and catcher Jonathan Lucroy minutes before the Aug. 1 trade deadline. After saving 27 games with the Milwaukee Brewers, Jeffress moved into a setup role with the Rangers before his arrest.