BOSTON -- Entering the final year of his rookie contract, an extension for San Francisco 49ers quarterback Colin Kaepernick could be on the horizon.But as Kaepernick looks for the 49ers to show him the money, 49ers president Paraag Marathe could be singing a different tune: Show me the numbers.Marathe was part of a panel discussion Saturday at the MIT Sloan Sports Analytics Conference in Boston, an annual convention that explores the use of statistical data in decision making.