[6] At Navy, he was a four-year starter in football as a long snapper, where he was not charged with a single bad snap.

[7] During his four years at Navy, the Midshipmen compiled a 30–21 record, including four wins over arch-rival Army, and played in three bowl games.

[14] On Thursday, September 10, in the NFL's opening game of the 2015 season, Cardona made his official debut as a long snapper in the Patriots' 28–21 win over the Pittsburgh Steelers.

[19] In 2017 Cardona was part of both Patriots' playoff wins, and went on to play in Super Bowl LII on February 4, 2018.

[21] On December 20, 2022, it was announced that Cardona would miss the remainder of the season after suffering a torn tendon in his foot.

[23] On March 21, 2023, Cardona re-signed with the Patriots on another four-year contract extension worth $6.3 million, making him the highest-paid long snapper.

[25] On September 2, 2024, Cardona was announced, for the first time in his career, as a team captain for the Patriots' 2024 season.

[26] During his rookie season, Cardona spent his off days working a 24-hour shift as Command Duty Officer at the Naval Academy Preparatory School.