Sirianni spent the last three seasons as the Colts offensive coordinator after previously working with head coach Frank Reich in San Diego.
SI Gambling insider Frankie Taddeo breaks down how sharp bettors are wagering on the NFC Championship game between Tampa Bay and Green Bay
Jackson hasn't coached since 2018 when he was fired as the head coach of the Browns and later briefly joined the Bengals' staff.
Haskins met with Pittsburgh coaches Thursday and could sign with them soon if all goes well.
Detroit's new head coach made sure to bring the fire in his introductory press conference Thursday.