In his rookie season, Will Levis worked his way up to starting quarterback for the Tennessee Titans, throwing for 1,808 yards, eight touchdowns, and four interceptions (no thanks to an abysmal offensive line). Now entering his second year, the former Kentucky Wildcat is dialing in on the little things to take his game — and hopefully the Titans — to a new level. Yesterday, Levis told reporters at the Titans’ mandatory minicamp that he’s spent his offseason tweaking his stance to improve his delivery. “Quarterbacks are weirdos,” Levis said. “We’re always tweaking something. You always feel like…