Houston OF Carlos Diaz (56 games), Milwaukee pitcher Franklin Hernandez (76) and Cubs pitcher Braxton Light (50) all were suspended for drug violations.
Rob Manfred said the sudden rise in home run totals are due to "the way hitters are being taught" and not because of PEDs and juiced baseballs.
Interim light heavyweight champ Jon Jones has been removed from his title unification bout with Daniel Cormier at UFC 200 after a potential doping violation.
Julius Peppers, Clay Matthews and James Harrison are expected to meet with the NFL next month as part of an investigation into an Al-Jazeera America report on PEDs.
Improved science could be a reason behind baseball's increase in positive drug tests.
