New on SI: Andy Dalton: "I'm Here to Help Dak Prescott"

SI's Cowboys team reporter with more on the dynamic between Andy Dalton and Dak Prescott

SI's Cowboys team reporter Mike Fisher says the signing of Andy Dalton is not a threat to quarterback Dak Prescott's job security. Dalton signed with the Cowboys late last week on a one year deal. Dalton has recently said he received five offers from other teams but felt Dallas was the best fit.