Dedicates Pick-Six To Late Daughter

Shaq Barrett's first career touchdown was an emotional one ... as the Tampa Bay Buccaneers linebacker dedicated the moment to his daughter who drowned earlier this year.

The two-time Pro Bowler helped secure the Bucs' victory over the Chicago Bears on Sunday ... when he intercepted Justin Fields' pass and reached the end zone en route to the 27-17 win.

After the win, Barrett said his 2-year-old daughter's passing has inspired him to push even harder this season ... and he paid tribute to her as he spoke with reporters.

"I always played for my family already, but then having, like, that extra incentive and making me want to go a little harder for her, it never stops," the 30-year-old said…