Kansas City Royals infielder Miguel Tejada will receive a 105-game suspension after twice testing positive for Adderall a penalty that could end the career of the 39-year-old former American League MVP sources told Yahoo! Sports.

Because Tejada had previously tested positive under the league’s amphetamine policy he was subject to a 25-game ban for a second positive which was found in a test this season. A third positive in close proximity to the second called for an additional 80-game suspension totaling a concurrent 105.

It will be the third-longest non-lifetime suspension ever levied by MLB behind the Alex Rodriguez’s pending 211-game ban and Steve Howe’s 119-day sanction in 1992. Major League Baseball could announce Tejada’s discipline as soon as Saturday afternoon.

Widespread amphetamine use throughout baseball led to a crackdown in 2006 though the drugs remain prevalent in clubhouses through therapeutic-use exemptions granted by MLB’s medical staff. Last season the league gave 116 TUEs for players diagnosed with attention deficit disorder allowing them to use drugs prescribed to treat ADD without repercussions.

Tejada did not appeal the penalties and will begin serving them immediately from the 60-day disabled list where the Royals placed him this week with a strained calf. After serving the remaining 41 games in Kansas City’s season Tejada would be ineligible to play in the first 64 games of 2014 though one source close to Tejada indicated he is strongly leaning toward retiring.

It would end an up-and-down career that peaked with the 2002 AL MVP and saw its nadir when he pleaded guilty to lying to Congress in 2005 about his knowledge of performance-enhancing drugs in baseball. Though Tejada never was suspended for PED use he later admitted to buying more than $6000 worth of human growth hormone which he claimed to have thrown away before injecting.