Ron Katz has watched Chris Algieri’s fight last May against Amir Khan at least 10 times, and he can’t help but feel the judges who gave Khan a unanimous decision got it wrong.

“I thought the last round was a key round that he clearly won and he deserved the fight,” the matchmaker for Joe DeGuardia’s Star Boxing said Wednesday. “But guys get starstruck. Amir Khan was supposed to win. Regardless, Chris showed the improvement in a short amount of time with [new trainer] John David Jackson that he needed in order to compete on an elite level.”

Algieri (20-2, 8 KOs) worked out Wednesday at Gleason’s Gym in Brooklyn to prepare for his scheduled 10-round welterweight bout against Ecuador’s Erick Bone (16-2, 8 KOs) Saturday at Barclays Center on the undercard of the WBA world middleweight title bout between champion Daniel Jacobs (30-1, 27 KOs) and former WBO champ Peter Quillin (32-0-1, 23 KOs).

StoryLI's Algieri ready for next step in fight with Bone

It was tough for Algieri to start working with Jackson and go straight into a major fight with Khan, but he showed surprising power while giving Khan a rough time. Algieri has two more options with the PBC series but was allowed to take an interim fight with Bone to work on developing his power under Jackson’s guidance.

“We’re looking for Chris to really shine,” Katz said. “It’s imperative to win this fight in order for him to put himself back in the picture of facing an elite opponent. Financially, it means a lot to both him and [promoter] Joe DeGuardia. So it’s an important fight.

“The improvement I saw against Amir Khan in the short amount of time he had to train with John David Jackson was incredible. I fully expect to see the entire package in this fight.”

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Algieri understands the importance of a strong outing against Bone. If he again shows some power, it only can help the Greenlawn fighter’s marketability. His potential future opponents include WBA champion Keith Thurman and former Olympian Errol Spence, who is on a fast track to the top.

“I’ve always been a strong guy, and now, it’s the idea of transitioning that strength into punching power,” Algieri said. “I’ve had more time to work on that and develop that, and everyone I’ve been working with from coaches to sparring partners to even just onlookers say I look a lot more powerful and stronger. Saturday night is a chance for me to spring that out and show it.”