Claressa Shields out to make 'statement' against Savannah Marshall

Claressa Shields has vowed to KO Savannah Marshall ahead of their O2 showdown this weekend.

Shields suffered her only loss as an amateur when she faced rival Marshall in 2012, losing via a unanimous decision verdict.

Now, the outspoken American has vowed to make Marshall pay for her defeat nearly ten years ago.

The highly anticipated main event will see the middleweight division unified with all four belts on the line.

READ MORE: Claressa Shields vs Savannah Marshall: Fight postponed, rescheduled date, venue and everything you need to know

It was originally scheduled to take place a month ago before being postponed following the death of Queen Elizabeth II.

“The postponement was like a blessing in disguise," she told Sky Sports per RingNews24.com. "The goal is even bigger now, from September to now.

"I knew I was going to beat Savannah Marshall on September 10, but now I really feel in my spirit that I am going to knock Savannah Marshall out, this is going to be my statement fight.

"She talked all that stuff about pillow fists, but she’s not going to stand there and fight me. She’s not going to be able to handle my shots. She can’t outbox me. She’s not very skilled.

“You all said she’s a knockout puncher, you all said she is going to knock me out, you all said that I can’t keep her off me, she is too strong, too big.

“You all said that, not me, so when I beat her easily and I be in there dropping her and have her face purple and blue after I don’t wanna hear nothing. Just tell me congrats and leave me alone.”

READ MORE: Savannah Marshall knows she "can't rely on my power" against Claressa Shields (exclusive)

Shields also revealed that she is looking forward to headlining a historic night of women's boxing.

“It feels