Murda Mook called him out several times on Hot 97, even 50 Cent warned him to watch his mouth, well here's what Cassidy told MTV.com:
"The first cat you named, I never even heard of him," he said, referring to Mook. "He don't got no situation, he can't even ride the beat. The kid is a clown. The second kid [50 Cent], said I better watch it. That's my type of ballgame. I would get involved with that [battle], 'cause I got something to gain. The kid might be appealing to a bigger fanbase than me, I might can snatch a few fans. But I'm focusing on my music. Make history, turn the females on, keep it moving