Hermosillo, Mexico (SportsNetwork.com) - David Sanchez defeated Juan Alberto Rosas by a second round technical knockout on Saturday night to capture the interim WBA World super flyweight title.

The 23-year-old Mexican Sanchez (27-2-2, 21 KOs) has won 17 fights in a row.

The 30-year-old Mexican Rosas (40-9, 28 KOs) has dropped three of his last seven fights.