With sibling trios such as the Watts and Edmunds, brothers within the NFL ranks might seem a bit more prevalent than they truly are.
Having family members making it all the way to the NFL is an uncommon occurrence. Having a pair of brothers on the same team is even more uncommon.
"It's so much fun, so much fun," Cooper, 26, told Myles Simmons of TheRams.com. "We've had just a couple times where I've had to block him on defense -- kind of a throwback to our college days when we're doing that."
The Kupp brothers attended Eastern Washington, with Cooper playing there from 2014-2016 and Ketner's tenure going from 2015-2018. Cooper was a 2017 third-round pick by the Rams, who signed Ketner in May as an undrafted free agent.
While Cooper's looking to find his way back to health and reestablishing himself as one of the league's burgeoning receiving talents, Ketner's just hoping for a roster spot.
Either way, it's been a good time for the Kupp brothers.
"He eats a lot of my food at my house, sleeps on my couch almost every night," Cooper said. "It's so much fun -- total blessing. Any time you are able to be around family at this point in your life and have family as much as we do, I don't take that for granted at all. It's an incredible experience and blessing for us."