Jackson also helped the British 4x100 metres relay team to the world silver medal.
Jackson helps with trivia challenges, highlights and phone calls.
Jackson helped to ice the game with an 8-for-10 outing at the free-throw line.
He was left with a long, winding putt for par that Jackson helped him read.
Jackson helped with the workout and chatted with Jeter at length.
Jackson played for five seasons with the organization and frequently helped Saperstein in business dealings on the team's behalf.
Jackson helped Bass onto his horse and held him there.
The mayor said that Jackson had helped make the community into "a model for social development."
"The way I figure it, she got Jackson to help her."
Jackson finished with 17 points and helped St. John's pull to within 49-45 with 11 minutes 56 seconds remaining.