NBA's Muggsy Bogues -- The Littlest Santa ... Suprises Children's Hospital With Gifts!!!

Former NBA great Muggsy Bogues is still proving that heart comes in all shapes in sizes ... this time playing Santa to lil tykes in need of a pick me up at a Charlotte children's hospital.

TMZ Sports has video of Muggsy surprising some courageous youngsters kicking cancer's butt at St. Jude's hospital in Charlotte.

Muggs didn't show up empty handed ... through his nonprofit Always Believe Inc he was able to lace the kids with Microsoft game stations that include Xbox's, TV's and a copy of NBA2k16!!!