National League MVP Ryan Braun’s 50-game suspension was overturned Thursday by baseball arbitrator Shyam Das.

The Milwaukee Brewers outfielder becomes the first major-league player to have a pending suspension overturned under the guidelines of Major League Baseball’s Joint Drug Agreement.

Braun tested positive in October for elevated testosterone, and ESPN revealed the positive test in December. Braun appealed the test in January.

No reasoning was given for Thursday’s decision.

“As a part of our drug testing program, the Commissioner’s Office and the Players Association agreed to a neutral third party review for instances that are under dispute,” said a statement issued by MLB. “While we have always respected that process, Major League Baseball vehemently disagrees with the decision rendered today by arbitrator Shyam Das.”