Heavens no nikka, let me break it down better since you're acting like you're new to boxing and never heard that type of phrase or expression before. Delvin Rodriguez fought a very spirited fight against a decent contender in Wolak. If he brings his A game along with that type of effort to the Cotto fight, he has a decent shot at giving Cotto a hard time especially since Cotto has been on the wrong side of a couple ass whippings lately and is older and smaller. Delvin is hot and cold sometimes. So he has the potential to go all out, or mail it in.
If the Rodriguez from the Trout fight shows up, then Cotto prolly wins and everybody will think he's back and then he'll go on to get crushed again or struggle when he faces guys like Canelo, Lara, Angulo, etc..in the future.
Hope that makes sense.