Caldwell is a developmental bet, not someone this team needs to rush into a depth-chart argument. The Rams gave the Texas product a camp opportunity, but he did not appear in the club's initial three-quarterback 53. The path from here is simple: keep building the pro routine and make every practice-squad or future opportunity count.
Strengths: Prototypical 6-foot-4 build and a fresh developmental runway. Joining a quarterback room led by Stafford and McVay gives an undrafted passer a valuable environment for learning how the position is prepared at a high level.
Weaknesses: There is no current 53-man role to point to, and his opportunity is constrained by three quarterbacks retained ahead of him. He needs more demonstrated NFL-game command before a meaningful projection is justified.