Major League Baseball is reportedly about to suspend two of its biggest stars, Alex Rodriguez and Ryan Braun, for suspected use of performance enhancing drugs. The two are among some 20 players who could be suspected for up to 100 games.

ESPN’s Outside the Lines broke the news last night, citing two sources. They say that Tony Bosch, who co-founded the now-closed Biogenesis Clinic in Miami, is prepared to talk with the MLB and cooperate with its investigation. A source for the Associated Press also confirmed that Bosch is ready to talk.

Rodriguez, Braun and many of the other players who could be suspended were first publicly linked to Bosch and Biogenesis publicly in January. Bosch was first linked to a player in 2009, when Manny Ramirez was first suspended for testing positive. His name popped up again last summer in connection with Melky Cabrera, Bartolo Colon and Yasmani Grandal, who were also all suspended.

The commissioner is seeking to suspend the players for 100 games, which they have justified by saying that they had broken the rules twice - first by associating themselves with Bosch and then again when they denied to the MLB that they worked with him.

ESPN’s sources did not say specifically what materials Bosch would provide, but it’s expected that he’ll meet with the league in New York Friday. The site didn’t get a comment from Bosch, his attorney or the MLB, but Bosch previously told ESPN that reports about him distributing PEDs were “character assassination.”

Braun, who plays for the Milwaukee Brewers and was the 2011 NL MVP, had tested positive for elevated testosterone in October 2011 and won an appeal of the suspension. He has denied using PEDs and after last night’s game in Milwaukee, he denied using them again.

“I've already addressed everything related to the Miami situation. I addressed it in spring training. I will not make any further statements about it,” he told the media, reports the AP. “The truth has not changed.”

Rodriguez has not played a game for the New York Yankees this season and was expected to be back by the All Star Break.

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