Honda Center in Anaheim, Calif. - Former multi-division world champion Robert 'The Ghost' Guerrero (33-5-1, 18 KOs) suffered his second defeat in a row, as Argentine slugger David Emanuel 'El Pirata' Peralta (26-2-1, 14 KOs) pulled off a big upset with a twelve round split decision victory. The scores were 115-113 for Peralta, 115-113 for Guerrero, and 116-112 for Peralta. 

Guerrero had hoped to bounce back after suffering a decision loss to Danny Garcia in January. His career now suffers as huge setback. Peralta was virtually unknown to everyone outside of Argentina and viewed by many experts as an easy opponent to help Guerrero return in style.

When the fight with Peralta started in the first, Guerrero was calculated with his work, taking his time and landing accurate punches. Peralta was throwing a lazy jab and not doing much in terms of getting to the target. He was displaying some good footwork and movement, but unable to get away from Guerrero's accurate shots.

Peralta was landing a good overhand right, but not enough of them and even when he landed flush - Guerrero's solid chin took the shots very well. They were trading shots at the end of the third and Guerrero's punches were stronger and doing more damage. A small cut opened up around the left eye of Peralta at this point from a clash of heads (although ruled as a punch by the referee).

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Guerrero was getting off with solid shots that were bothering Peralta upon landing in the fourth. Peralta was doing better in the fifth, landing some solid punches and had some real success. Peralta with some confident in the six, making it a closer fight but Guerrero still had the advantage with the more telling punches connecting. Peralta continued to do well in the seventh by staying on the back and just boxing Guerrero, who was having some trouble with the adjustments made against him. Guerrero was not throwing as many punches and seemed to be looking for one big counter shot.

In the ninth, a big right hand almost sent Guerrero down. He stumbled back and was held up by the ropes. He practically sat back on them to stay off the mat, but for some reason the referee did not call it a knockdown. A television replay showed that Peralta may have stepped on Guerrero foot when he threw the punch.

Peralta was landing a very sneaky right that Guerrero was unable to adjust to. He was landing them over and over in the second half of the fight. Guerrero was allowing himself to fight at Peralta's pace. Peralta seemed to have the timing down and hit Guerrero with that right hand every time the former champion stepped in to close the distance. 

The fight continued to be a close race in the final three rounds. That right hand was consistently landing for Peralta, while Guerrero was working hard and not making it easy for the fighter from Argentina.

ON THE UNDERCARD

In a crossroads fight, veteran Freddy Hernandez (34-8, 22 KOs) won a solid ten round unanimous decision over Alfredo 'El Perro' Angulo (24-6, 20 KOs) battling  The fight took place at super middleweight, which is well above the norm for both boxers. The scores were 98-92, 97-93, 97-93.

After taking another tough loss, to a mid-tier fighter in Hernandez, Angulo must now sit down and ponder the future of his career. He has now lost four of his last six fights.

There was no feeling out process in the first round. They were trading big punches early and Hernandez was landing good, accurate punches on Angulo - who was looking for a street fight. Hernandez was doing well by timing the slower Angulo, who still has issues with keeping a tight defense when counters are raining back.

Hernandez was using movement and landing solid punches in the third, which had Angulo frustrated. Angulo continued to press forward, walking through the shots and looking for a big shot to change the pace. A big combination at the end of that round, by Hernandez, caught Angulo's attention and pushed him back to the ropes.  

Angulo was landing some decent shots, but they weren't have the same effect as they did at junior middleweight. Hernandez seemed to hurt Angulo near the end of the fourth with a hook to the body and followed that up with a big combination. Hernandez's left hand was hitting the target with few issues.

Angulo was relentless with the pressure, coming forward and throwing some big shots - but few were landing and he was taking a lot of counters for his trouble. At the end of the fifth, Angulo started coming on and opened up a cut around the left eye of Hernandez with a big right hand. The sixth was pretty even, with Angulo making Hernandez cut a little worse near the end with yet another big right.

Hernandez controlled a tough seventh with his boxing ability and accurate punching. Angulo was trying to work his way back in the eight, but he was unable to really buckle Hernandez with any punches. A close ninth with Hernandez's output dropping as Angulo continued to look for a big shot to change the fight. Hernandez was still working hard and landing solid punches that Angulo was unable to get away from.

They were trading on the inside in the tenth and final round. Hernandez was a bloody mess from the cut and wasn't taking a step back. Angulo continued to press forward, but he was getting hit with a lot of punches as he came inside.

2012 U.S. Olympian Terrell Gausha (19-0, 9 KOs) had all he could handle in winning a majority decision over Steve Martinez (16-3, 13 KOs) in a ten round super welterweight fight. The scores were 95-95, 97-93, 97-93.

They fought on the inside from the early start. Martinez spent most of his time going to the body and Gausha was landing solid punches to the head. Gauhsa's jab was a good weapon as he shot it right down the center to keep Martinez at range for other shots. The harder and more accurate punches of Gausha were pushing Martinez back when they landed.

Martinez continued to have his moments with hard shots of his own, especially to the body. Gausha would also answer back with punches of his own. In the sixth round, Gausha was holding often when Martinez pressed forward with those hard body shots. At the same time Martinez was leaving himself wide open to counters.

The fight was really tightening up in the second half, with Martinez applying a lot pressure with non-stop aggression and had little trouble pushing back Gausha to the ropes. They were trading some big punches in the ninth round on even terms. The final round had both of them letting their tanks clean out with hard combinations flowing free. Both were connecting, but it was Gausha with the crisper punches.

Born and raised in Cleveland, Gausha was a decorated amateur who won gold medals at the U.S. National Championships in 2009 and 2012 and represented the US as part of the 2012 Olympic Team. The 28-year-old turned pro in 2012.

In 2015 he earned victories over Norberto Gonzalez, Luis Grajeda, Eliezer Gonzalez and Said El Harrak before making his 2016 debut with a victory over Orlando Lora. 

The 26-year-old Martinez recently stopped Jorge Melendez in the second round.