Natalia Guzmán Class is a Puerto Ricanprofessional wrestler and valet better known by her ring nameSalina de la Renta. She is currently signed to Major League Wrestling and also performs on the U.S. independent circuit. In the United States she has worked for promotions including I Believe In Wrestling, American Combat Wrestling, Full Impact Pro, Wrestle Aid Orlando, Championship Wrestling Entertainment and Platinum Pro Wrestling. As a valet she has managed wrestlers including Low Ki, L.A. Park, Pentagón Jr. and Rey Fénix, among others. In 2019, de la Renta became the first-ever Latina to executive produce a professional wrestling show on American national television.
Class made her wrestling debut at IBIW's "BELIEVE 127" under the ring name "Mila Naniki", teaming with Thea Trinidad and Raegan Fire in a losing effort to Dominique Fabiano, Raquel & Santana Garrett. She wrestled against at BELIEVE 130 on October 15, this time teaming with Raegan Fire in a tag team match against Courtney Stewart and Kaci Lennox. Three days later on October 18, at Girl Fight Wrestling 12, Naniki won her first singles match by defeating Kaci Lennox. On November 4 at Wrestle Aid Orlando "Redemption", Naniki lost the rematch against Kaci Lennox. At BELIEVE 131 on November 5, Naniki once again teamed with Raegan Fire in a tag match won by Courtney Stewart and Kaci Lennox. Naniki finished her debut year on December 3 at BELIEVE 132 with a victory over Raegan Fire. On January 13, 2017, Naniki returned to IBIW at BELIEVE 133. At BELIEVE 134, she teamed with former TNA Knockout Raquel in a tag team match against Thea Trinidad & Kaci Lennox. On March 3 at BELIEVE 136, Naniki teamed with Aria Blake to defeat Kaci Lennox and Layne Rosario in a tag team match. On March 17 at BELIEVE 137, she defeated Kaci Lennox in a singles match. The following week on March 22 at American Combat Wrestling's "Proving Ground", Naniki defeated Aspyn Rose. On March 25 at Pro Wrestling 2.0's "Beauties, Beast And Champion", she competed in a mixed tag match against Aria Blake & Trish Adora. She also competed at PW2.0's "Legends And Heroes" on March 28,. The next day, March 29, at ACW "Proving Ground", Naniki wrestled Isla Dawn. She returned to ACW two months later to on June 7 to defeat Aria Blake. On June 11 she made her Massachusetts debut for Big Time Wrestling in a losing effort against Amber Nova. Naniki returned to IBIW at BELIEVE 145 on September 1, teaming with Aria Blake against Kaci Lennox and Miss Hannah.