You've heard of trading selfies? Well, UFC superstar Demetrious Johnson trades smellfies with his wife ... but there's actually a good story behind it.

ADVERTISEMENT

TMZ Sports

James Harrison Says Tom Brady Retiring Wouldn't Shock Him 1:19

James Harrison Explains His Retirement Decision 2:36

Lamar Odom Wants to Play Overseas, I'm Coming Back! 0:52

Daniel Cormier Has Major Respect for Stipe Miocic 1:16

Daniel Cormier Says He Ain't Fighting Jon Jones Again Unless He Returns ASAP 2:18

▶ MORE FROM THIS CATEGORY

TMZ Chatter

Khloe Kardashian Gives Birth To A Baby Girl! 0:54

Conor Mcgregor Arrested, UFC 223 In Shambles | TMZ Sports 2:00

Aaron Hernandez Was Tortured By Gay Secret | TMZ Sports 4:15

Baseball Player Danry Vasquez Caught Beating Girlfriend On Stadium Surveillance 2:34

Conor McGregor Offered to Fight at UFC 222 1:27

Jennifer Aniston Is Single Again! 1:38

▶ MORE FROM THIS CATEGORY

The Hollywood Beatdown

Tyron Woodley Reacts to Tristan Thompson Cheating Video | The Hollywood Beatdown 7:52

Tyron Woodley Says Conor McGregor Is "A Disgrace To Mankind" | The Hollywood Beatdown 7:09

Tyron Woodley convinced CM Punk can win at UFC 225 | The Hollywood Beatdown 7:49

▶ MORE FROM THIS CATEGORY

Behind The Bar

Can Khloe Kardashian Stop Tristan Thompson From Seeing The New Baby? | Behind the Bar 19:53

How Much Does a Sexual Assault Victim’s Gender Matter? | Behind the Bar 24:00

March for Our Lives – Could We Ever See a Repeal of the Second Amendment? | Behind the Bar 20:47

▶ MORE FROM THIS CATEGORY

TMZ BUZZ

Blac Chyna GOES OFF in Six Flags Stroller Fight | TMZ BUZZ 7:45

Can 21 Savage and Amber Rose Get Back Together? | TMZ BUZZ 7:13

What SHOULD Khloe Kardashian Name Her Baby Girl? | TMZ BUZZ 8:03

▶ MORE FROM THIS CATEGORY

ADVERTISEMENT

TMZ TV Clips

Bow Wow Invites Harvey To The Strip Club! 1:15

Let's Check In On Corey Feldman 1:13

Kendrick Lamar Won A Pulitzer Prize! 1:20

The Great Harry Anderson Passed Away 1:34

Sterling K. Brown Gets A Helping Hand From A Laker! 1:07

▶ MORE FROM THIS CATEGORY

Controversial S#!T

Victoria's Secret Model Gets Super Drunk At Coachella 0:58

Meek Mill's Judge Refuses Freedom | TMZ Live 6:35

Mariah Carey's Former Manager is Claiming Sexual Harassment | TMZ Live 4:02

▶ MORE FROM THIS CATEGORY

ADVERTISEMENT

LOOKING FOR MORE?