By Jennifer Piacenti Cincinnati is a slight home favorite in Week 4 despite playing the undefeated Dolphins. The Miami Dolphins (3-0) head north to face the Cincinnati Bengals (2-1) for “Thursday Night Football.” Looking to get in on the action? Here’s where the line currently stands for this week’s tilt. Moneyline: Dolphins (+165) | Bengals (-200)Spread: Dolphins +4 (+110) | Bengals -4 (-110)Total: 47 Over (-110) | Under (-110)The biggest storyline heading into this game is the health of Tua Tagavailoa, who has looked like a new man under the leadership of rookie head coach Mike McDaniel. Tag…