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Tom Brady Spends Quality Time W/ Daughter Vivian ... Off-Season Daddy Duty!!

Tom Brady has a lot more free time this off-season, and the 7x Super Bowl winner is putting it to good use ... spending an afternoon with his 10-year-old daughter, Vivian, while she took horse riding lessons!

It's the first off-season since Brady and Gisele Bündchen divorced, and with his ex-wife spending a lot of time in Costa Rica with jiu-jitsu instructor Joaquim Valente ... Tom took Vivian to a stable in Miami on Wednesday.

Brady, clearly, is a very proud dad, and was seen photographing Vivian as she rode her horse.

At one point, a brunette woman approached Tom, and seemingly asked for a photograph ... and Brady obliged. The two also had a friendly chat.

While Tom is in relaxation mode, there's a ton of speculation about his future and whether he'll play football next year ... but Brady's made it clear he hasn't made up his mind, and for the time being, just wants to spend time with his kids.

Of course, Brady's Tampa Bay Bucs squad lost to the Cowboys in the playoffs a couple of weeks back, ending Tom's 23rd NFL season.

What's interesting ... there's lots of speculation Gisele and Valente are dating. In fact, two were also spotted riding horses in Costa Rica on January 18. Though, they've continued to claim JV is nothing more than their martial arts instructor.

Tom and Gisele, who officially divorced in October, have two kids, Vivian and Ben.

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