José Canseco Publicly Accuses A-Rod of Cheating On J.Lo!

"Alex Rodriguez stop being a piece of s--t stop cheating on Jennifer Lopez!"

Yikes! Alex Rodriguez proposed to his longtime girlfriend, Jennifer Lopez, on Saturday, March 9, but now, former MLB star José Canseco is putting his fellow baseball star on blast!

In a shocking series of tweets, Jose accused A-Rod of cheating on Jenny From the Block just moments after she said “yes” to his huge rock!

Click through the gallery above for his shocking claims!