A hilarious goof-up took place during UFC Fight Night: Santos vs. Hill. Someone from the UFC team seemingly replaced Leon Edwards' image with an image of Jamahal Hill in a UFC 278 poster on display.Jed I. Goodman ©@jedigoodmanUpcoming Sked1399Upcoming Sked https://t.co/1gisHKPDj8During the UFC Vegas 59 event, the promotion's schedule for the next four weeks was displayed on the screen. One thing that stood out in the visual was that in the UFC 278 poster, it was Hill who was placed next to Kamaru Usman instead of 'Rocky'.MMA fighters, personalities and fans all took notice of the error and shared their thoughts about the same on social media.Derek Brunson jokingly labeled Edwards a "bad boy" for fighting as a light heavyweight and then as a welterweight within a matter of a few weeks.Derek Brunson@DerekBrunsonEdwards is a bad boy . Fighting 205 and 170 . Go off my boy 815Edwards is a bad boy . Fighting 205 and 170 . Go off my boy 😂😂😂 https://t.co/cPSmjkwKTEBelal Muhammad poked fun at UFC champion Kamaru Usman, saying 'The Nigerian Nightmare' was finally moving up to 205 pounds.Belal Muhammad@bullyb170Usman really moving up to 205 40119Usman really moving up to 205 😂 https://t.co/g7HUw1ljwEMMA journalist Ariel Helwani said Hill was about to make a historic turnaround by competing at 205 pounds and then at 170 pounds just a few weeks later.Ariel Helwani@arielhelwaniHill’s about to make an historic turnaround. Good for him twitter.com/jedigoodman/st…Jed I. Goodman ©@jedigoodmanUpcoming Sked72536Upcoming Sked https://t.co/1gisHKPDj8Hill’s about to make an historic turnaround. Good for him twitter.com/jedigoodman/st…One user asked UFC president Dana White to fire the person responsible for the goof-up.Teamwork Cell 4@TeamworkCell4@bullyb170 Yeah, that was messed up. Dana, time to fire someone.@bullyb170 Yeah, that was messed up. Dana, time to fire someone.A few more humorous tweets from MMA personalities and fans can be seen below:pops@zadmielLeon Edwards looks a bit different twitter.com/jedigoodman/st…Jed I. Goodman ©@jedigoodmanUpcoming Sked14512Upcoming Sked https://t.co/1gisHKPDj8Leon Edwards looks a bit different twitter.com/jedigoodman/st…Megan Anderson@MeganA_mmaUmm anyone notice Leon Edwards pic was actually Jamahal Hill in that preview of the coming up events? 41023Umm anyone notice Leon Edwards pic was actually Jamahal Hill in that preview of the coming up events? 😂Corey 'Overtime' Anderson@CoreyA_MMAYou had ONE job!!They just keep disrespecting #leonedwards . Lol#UFCVegas59 #fightnight759You had ONE job!!They just keep disrespecting #leonedwards . Lol#UFCVegas59 #fightnight https://t.co/cONR929YdFAlan Quartermaine@MarcusWells23Usman vs Hill about to be epic twitter.com/jedigoodman/st…Jed I. Goodman ©@jedigoodmanUpcoming Sked15212Upcoming Sked https://t.co/1gisHKPDj8Usman vs Hill about to be epic 🔥 twitter.com/jedigoodman/st…Hektic_One@hektic_one@jedigoodman edwards gets zero respect 631@jedigoodman edwards gets zero respect 😂David@_Gizco@jedigoodman Nice to see Jamal awarded with an immediate welterweight title shot after his win tonight10@jedigoodman Nice to see Jamal awarded with an immediate welterweight title shot after his win tonightrudy betrayed@rudy_betrayedufc hates leon so much they already replaced him with jamahal hill965ufc hates leon so much they already replaced him with jamahal hill https://t.co/hHZ0LOktHNMarty Q.@Gloxingboves@jedigoodman So this is what Ali meant when he said Usman is going to 205@jedigoodman So this is what Ali meant when he said Usman is going to 205Jamahal Hill makes a resounding statement at UFC Vegas 59 View this post on Instagram Instagram PostJamahal Hill took on Thiago Santos in a five-round main event at UFC Vegas 59. 'Sweet Dreams' put on an impressive performance as he finished 'Marreta' in the fourth round of the fight.The contest was awarded the Fight of the Night honors and both fighters took home an additional check of $50,000 each.With the victory, Hill extended his winning streak to three. Prior to that, 31-year-old suffered the only loss of his MMA career against Paul Craig at UFC 263.Hill is currently ranked No.10 in the UFC light heavyweight rankings. This will likely change once the rankings are updated. By defeating the No.6-ranked Santos, 'Sweet Dreams' has made a statement and proven himself to be a potential title contender.With a couple more wins, Hill could find himself next in line for a title shot.