The Steelers announced the trade Monday morning, pending the results of Williamson's physical later in the day.
Per the Steelers, Pittsburgh receives the Jets' seventh-round selection in the 2022 NFL Draft. The Jets get Pittsburgh's fifth-round pick in the same draft.
Williamson made six starts for the Jets in 2020.
He has 81 starts and 14.5 sacks in his six seasons with the Jets and Tennessee Titans.
Williamson recorded 59 tackles, 36 solo, with one interception in 2020.
Williamson was the Titans' fifth-round pick in 2014 out of Kentucky.
(Field Level Media)