A former world welterweight champion has expressed his concerns ahead of Terence Crawford's 'mega-fight' with Canelo Alvarez next month.

Though they are both well into their 30s, Canelo Alvarez and Terence Crawford are still two of the best in boxing. They fight each other Sept. 13.

This article was originally published on www.si.com/fannation/boxing as Canelo Alvarez Ranked Below Bitter Foe By Terence Crawford. There are now 34 days until Saul "Canelo" Alvarez and Terence Crawford face off in what's undoubtedly the most anticipated boxing fight for the rest of this calendar year.