Arizona Cardinals · OL RoomOL
#71 Jon Gaines II
Exp 3 yrs NFLAge 27Ht / Wt 6'4" · 300 lbCollege UCLA
Depth-chart placement
Current role
LG2Placement
BackupRoom
Offensive LineExperience
YR 4Last change
Updated 2026-07-29OL room context
View full depth chart →Jon Gaines II holds the LG · Backup spot in Arizona Cardinals’s offensive line room. Where he sits among the room’s front-line roles:
Jon Gaines II played 17 games in 2025 with a 33% snap share.
Background & career
Jon Gaines II is a left guard for the Arizona Cardinals. The UCLA product was selected 122nd overall in the 2023 NFL Draft, becoming the first Bruins offensive lineman drafted by Arizona since 1982. After spending 2023 on injured reserve due to a knee injury, Gaines has appeared in 30 games over the last two seasons with five starts. In 2025, he made his first career start at left guard against the Rams and subsequently started the final four games, blocking for quarterback Jacoby Brissett as the offense recorded 300+ yards in 12 consecutive games.
UCLA2018 – 2022Cardinals2023 — present