Matt Serra is 44 years old. He’s been retired from MMA since 2010. Yet he doesn’t believe 40 Year old BJ Penn should retire.

Speaking on the UFC Unfiltered podcast, Matt Serra discussed Penn’s recent bad run

“Dude, let me tell you, I’m 44. I fought him when I was 28. The guy has been around, man,” Serra said. “The guy has been around. It’s not about money either with B.J. I just think that guys do this for so long, when it comes down to what’s next . . . it’s just what you’re used to. It’s like a routine. It felt weird when I stopped. Like, ‘Oh I don’t have a fight coming up, even after a few months? Now what the f*ck is going on?’”

Serra’s last fight was in 2010 but he did not retire officially until 2013. Unlike Penn though, Serra has stuck to his retirement. And even though that has been the right decision for him, Serra thinks Penn’s should keep fighting if that’s what he wants to do, since he’s not getting knocked out in devastating fashion like some other former champions had happen at the end of their careers.

“I don’t know. It’s not like what’s happening to Rashad Evans or somebody like Chuck Liddell where you’re like, ‘Man, I don’t want to see him get hurt anymore,’” Serra said. “I don’t know. I’ve known B.J. for so long, I love the dude, he’s a really good person. . . The guy’s a legend. He can do whatever he wants. I wish him best. I don’t want to, I’m not sitting here saying he should retire. It’s not like he is getting destroyed, and it looked like he was having a great time, as far as leading up to it. . . And he did look good in the beginning, you know!”

BJ Penn has bee surrounded by controversy considering sizeable charges his ex partner raised against him including drug binges and unstable behavior:

According to a protective order obtained by MMA Junkie, Shealen Uaiwa claims Penn is a drug addict that physically and sexually abused her and threatened to kill her multiple times over the years. The order includes a hand written statement laying out specific incidents of abusive behavior, including allegations he tried to pressure her into having sex with other men and once “got cocaine on my oldest daughter.”

”BJ has been a drug addict since he was 14,” the statement says. “He has patterns of up and down drug use and uses his training camps to try and stay sober.”

”There have been so many incidents through our relationship,” she concluded. “These are just more recent incidents.”