Photos: Ryan Garcia's KO victory over Luke Campbell

Ryan Garcia and Luke Campbell gave fans some dramatic moments on Saturday at American Airlines Center in Dallas.

Campbell, the underdog, stunned Garcia and the boxing world by putting him down with a big left in Round 2, the first time the rising young star had ever been down.

And Garcia (21-0, 18 KOs) ended the fight in an instant when he landed left to the body in Round 7 that rendered Campbell (20-4, 16 KOs) unable to continue.

The official end of the scheduled 12-round lightweight bout came at 1:58 of the seventh.

Here are images from the fight. Photos by Tim Warner / Getty Images and Tom Hogan / Hoganphotos-Golden Boy (Garcia walking away after putting Campbell down).