Jose Canseco Claims Alex Rodriguez Cheated on Jennifer Lopez In a new Tweet storm, Canseco says A-Rod fooled around behind
J. Lo's back with
his ex-wife,
Jessica Canseco. Jose Canseco, via Twitter The accusations come just a day
after Rodriguez and Lopez
announced they were engaged. According to Canseco, A-Rod contacted
Jessica just a few months ago. Canseco went on to say he'd take
a polygraph to prove he's telling the truth and even challenged
Rodriguez to a fight. Jose Canseco, via Twitter