BUFFALO, N.Y. (AP) — Stefon Diggs is headed to the Buffalo Bills in a splashy trade intended to boost quarterback Josh Allen’s development.

Buffalo is set to acquire the big-play receiver and a seventh-round draft pick from the Minnesota Vikings in exchange for four draft picks,

The Bills agreed to give up their first-round selection this year (22nd overall) and three other picks to land a fifth-year player who has topped 1,000 yards receiving in each of the past two seasons.

The Vikings will also get Buffalo’s fifth- and sixth-round draft picks this year, and a fourth-round choice in next year’s draft.

Kirk Cousins and the Vikings agreed to a two-year, $66 million contract extension, giving the quarterback another eight-figure influx of guaranteed money and providing the team some immediate salary-cap relief.