Cleveland Guardians pitcher Luis Ortiz is the subject of a Major League Baseball gambling investigation and was placed on non-disciplinary leave Thursday, two people with knowledge of the investigation told The Associated Press. The people spoke to the AP on condition of anonymity due to the nature of the investigation.

MLB is investigating the Cleveland Guardians’ Luis Ortiz after unusual gambling activity was flagged during two of his starts this season

The Cleveland pitcher joins a growing list of professional athletes facing gambling-related scrutiny since sports betting became more accessible in 2018.