According to Vincent Bonsignore, the issue with Apple was related to a physical and not financial.
Apple reportedly agreed to a one-year contract worth $6 million.
A number of reported deals have fallen through in recent weeks have been called off due to medical concerns.
Apple, 24, is a former first-round pick of the Giants back in 2016. He was traded to the Saints two years later for a 2019 fourth-round pick and 2020 seventh-round pick.
Apple was in the final year of his four-year, $15.152 million contract when the Saints declined to pick up his fifth-year option for the 2020 season. He made a base salary of $2.51 million for the 2019 season.
In 2019, Apple appeared in 15 games for the Saints and recorded 58 tackles, no interceptions, a forced fumble and four pass defenses. Pro Football Focus has him rated as the No. 61 cornerback out of 113 qualifying players.