Mark Wahlberg: Coldwater Canyon Park with Brendan!

Mark Wahlberg carries his sleepy four-year-old son Brendan back to his convertible after playing at Coldwater Canyon Park on Tuesday (March 19) in Beverly Hills, Calif.

The 41-year-old actor watched on as his little guy ran around with other kids, played football, and shot some hoops!

PHOTOS: Check out the latest pics of Mark Wahlberg

Last week, Mark showed off his bulging biceps as he left a doctor’s office after an appointment in Beverly Hills.

FYI: Brendan is using a Spalding NBA Portable Basketball System.

20+ pictures inside of Mark Wahlberg and Brendan playing at the park…