Michael Vick, who formerly played for the Eagles and Jets, makes his debut as the Steelers' replacement starting quarterback Thursday night, in a home game against the rival Ravens. Vick steps in for Ben Roethlisberger, who has a sprained medial collateral ligament and bone bruise in his left knee. The injury will not require surgery, but Roethlisberger is expected to miss four to six weeks. PLUS: Jets report card, as they botch chance to start 3-0 with sobering loss to Eagles Vick, the 35-year-old former phenom, excelled for the Eagles after he was released from federal imprisonment, for running a dog-fighting ring. He played for the Eagles from 2009-13, and was with the Jets last season. He signed a one-year, bare-bones contract with the Steelers in late August. This is his first start for them. After Roethlisberger was injured in Sunday's win at the Rams, Vick stepped in and completed 5 of 6 passes for 38 yards. Here's a look at some details for Ravens-Steelers: What: Ravens (0-3) at Steelers (2-1) When: Thursday, 8:25 p.m. Where: Heinz Field, Pittsburgh All time: Steelers 21-17 (3-1 playoffs) Last meeting: Ravens, 30-17 (Jan. 3, 2015; AFC wildcard playoff game) Line: Ravens -3 (via Bovada) Over/under: 44 (via Bovada) TV: CBS and NFL Network, with Jim Nantz doing play-by-play, Phil Simms as the analyst, and Tracy Wolfson as the sideline reporter. Live stream: NFL Game Pass (subscription required) Satellite radio: Ravens' broadcast on SiriusXM 225, SIRI 83, Internet 802. Steelers' broadcast on SiriusXM 226, SIRI 93, Internet 824. National broadcast on SiriusXM 88, SIRI 88, Internet 88.