Lightweight Teofimo Lopez Jr., the 2018 ESPN prospect of the year, has become a contender, and he showed it Saturday night. Lopez scored a one-punch, body-shot knockout of former world title challenger and former two-time European champion Edis Tatli in the fifth round of the co-feature of the Top Rank Boxing on ESPN PPV card headlined by Terence Crawford-Amir Khan on Saturday night at Madison Square Garden. Read more http://www.espn.com/boxing/story/_/id/26568448/another-fight-another-ko-victory-teofimo-lopez