From the moment they identified him as the quarterback to lift their struggling franchise, the Chicago Bears envisioned big games from Mitchell Trubisky.
As breakthroughs go, this was a huge one.
Trubisky threw a career-high six touchdown passes — one shy of the NFL record — and the NFC North-leading Bears pounded the Tampa Bay Buccaneers 48-10 on Sunday.
The Bears (3-1) won their third straight with Trubisky delivering the sort of performance general manager Ryan Pace envisioned when he traded up a spot to draft the prized quarterback with the No. 2 overall pick last year.
He finished one TD pass short of the franchise mark set by Sid Luckman against the...