Blue Jays' Alek Manoah

It ain't Alex Rodriguez, Barry Bonds or Mark McGwire ... no, according to Blue Jays ace Alek Manoah, the "worst cheater" in the history of the MLB is Yankees star Gerrit Cole.

The 24-year-old Toronto righty dropped the spicy accusation while on Serge Ibaka's "How Hungry Are You?" show ... in order to avoid drinking a cricket-filled, tea-like concoction.

"He cheated," Manoah told the NBA star without much hesitation at all. "He used a lot of, like, sticky stuff to make his pitches better. And he kinda got called out on it."