Filed under: News UFC Latest News Nik Lentz on B.J. Penn challenge: 'His retired ass should just stay home' By MMA Fighting Newswire Dec 20, 2015, 9:00am EST Share this story Share this on Facebook Share this on Twitter ORLANDO -- After his win over Danny Castillo at UFC on FOX 17, Nik Lentz discusses moving up from 145 pounds, what he did to beat Castillo and the recent challenge to him issued by B.J. Penn. In This Stream UFC on FOX 17 videos UFC on FOX 17 rewind Lentz: Penn's 'retired ass should just stay home' UFC on FOX 17 post-fight show View all 24 stories Get the latest gear UFC 288 Artist Series T-Shirt UFC 288 Event T-Shirt Henry Cejudo Statement T-Shirt Aljamain Sterling Champ T-Shirt UFC Anniversary Limited Edition Fight Glove Henry Cejudo Authentic Walkout Jersey Aljamain Sterling Authentic Walkout Jersey Belal Muhammad Quote T-Shirt More From MMA Fighting Terence Crawford warns Francis Ngannou about boxing Deontay Wilder: ‘If he hits you, you’re going to sleep’ Matt Brown reveals true story behind infamous lemon juice prank played on him during TUF 7 Tim Elliott explains why he addressed his divorce on social media Video: Logan Paul wrestles UFC champs Israel Adesanya, Alexander Volkanovski Morning Report: Jake Paul promises to ‘beat the f****** f*** out of’ Conor McGregor in fiery retort PFL champ Rob Wilkinson pulled from 2023 season due to positive drug test