Kobe Bryant has 26 game winners and Michael Jordan has 28 (25 with the Bulls and 3 with the Wizards).
"I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times, I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed."-Michael Jordan
22.9 fg/game in his career
115 game winning shots.