KANSAS CITY, Mo. — Chiefs quarterback Patrick Mahomes officially needs a new No. 1 wide receiver. The Chiefs traded superstar wide receiver Tyreek Hill to the Miami Dolphins in exchange for Miami’s first-, second- and fourth-round picks in 2022 and fourth- and sixth-round picks in 2023, a source familiar with the situation confirmed Wednesday morning with The Kansas City Star. ESPN first reported the news. The deal came together less than an hour after it became publicly known that the Chiefs granted Hill permission to seek a trade. Negotiations on a contract extension stalled after the Chiefs…