Can Tua improve the Dolphins offense?

Sheil Kapadia uses TruMedia’s expected points added model throughout his weekly power rankings for The Athletic:

“Note that when describing where a team ranks in offense, defense, etc., we are using TruMedia’s Expected Points Added model. …

What are fair expectations for Tua Tagovailoa the rest of the way? With Ryan Fitzpatrick, the Dolphins ranked 13th in passing and 19th overall offensively. Can Tagovailoa keep them in that same ballpark? Can he provide an upgrade? The Dolphins are 3-3 and have by far the best point differential (plus-47) in the AFC East. It’s not crazy to think they could get into the postseason if Tagovailoa plays well.”

Full article: The Athletic