those 18 openings are

Arizona Cardinals = https://cfsl.myfootballnow.com/team/23
Baltimore Ravens = https://cfsl.myfootballnow.com/team/9
Buffalo Bills = https://cfsl.myfootballnow.com/team/5
Carolina Panthers = https://cfsl.myfootballnow.com/team/32
Chicago Bears = https://cfsl.myfootballnow.com/team/28
Cincinnati Bengals = https://cfsl.myfootballnow.com/team/11
Dallas Cowboys = https://cfsl.myfootballnow.com/team/17
Denver Broncos = https://cfsl.myfootballnow.com/team/1
Houston Texans = https://cfsl.myfootballnow.com/team/15
Indianapolis Colts = https://cfsl.myfootballnow.com/team/16
Kansas City Chiefs = https://cfsl.myfootballnow.com/team/4
Los Angeles (A) Chargers = https://cfsl.myfootballnow.com/team/2
New England Patriots = https://cfsl.myfootballnow.com/team/7
New York (N) Giants = https://cfsl.myfootballnow.com/team/18
Philadelphia Eagles = https://cfsl.myfootballnow.com/team/19
Pittsburgh Steelers = https://cfsl.myfootballnow.com/team/10
San Francisco 49ers = https://cfsl.myfootballnow.com/team/21
Seattle Seahawks = https://cfsl.myfootballnow.com/team/24