On Friday, the actor and his 10-year-old son attended the Ruffles Celebrity Game during the 2023 NBA All-Star Weekend in Salt Lake City, Utah.
O'Neal, 50, and Samuel held up peace signs for the snap as the pre-teen sported a t-shirt, jeans and a pair of black sunglasses. His dad kept things casual in a pair of green khakis and a cream sweater.
Affleck will star as Nike co-founder Phil Knight in the upcoming film Air, which chronicles the brand's pursuit of partnering with NBA legend Michael Jordan in 1984.
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Affleck serves as director on the film, which co-stars Matt Damon, Viola Davis, Jason Bateman, Chris Tucker and Marlon Wayans. At the NBA event, Tucker and Affleck introduced a clip from the movie.
Affleck and his son have previously attended basketball games together, recently enjoying a Boston Celtics game against the Los Angeles Lakers at the Crypto.com Arena in December.
The actor, a Boston native, is known to root for his hometown teams and got to watch the Celtics win the matchup 122-118.
The two shared snacks and laughs throughout the game, both wearing jeans and colorful sneakers for the occasion. Affleck wore a cream-colored button-down cardigan while Samuel wore a gray t-shirt with a flannel over it.
Affleck is also a stepdad to wife Jennifer Lopez's 14-year-old twins, Max and Emme. In a heartfelt Thanksgiving week slideshow shared on Instagram in November, Affleck had a smile on his face as the young boy cozied up on top of him.
"This Is … Thanksgiving Holiday 🤍🍁," Lopez wrote, with a few hashtags, including "#ThisIsMeNow" and "#Family."
The couple also celebrated their first Christmas as husband and wife enjoying the expanded household. In her On the JLo newsletter, the singer reflected on the holiday well-spent.
"We have blended families, doubled the people, doubled the fun, doubled the love, doubled the presents and tripled the chaos!!" Lopez wrote about her merry celebration.