From	To	Date	Name	Transaction
Jets Jets	Jets Jets	05/31	Scott Mersereau	Asked to Re-Sign
Giants Giants	Giants Giants	05/28	Dave Duerson	Asked to Re-Sign
Giants Giants	Giants Giants	05/24	Matt Cavanaugh	Asked to Re-Sign
--	Raiders Raiders	05/23	Derrick Crudup	Free Agent Signing
Broncos Broncos	Broncos Broncos	05/22	Paul Green	Asked to Re-Sign
--	Rams Rams	05/22	Mike Pagel	Free Agent Signing
--	Eagles Eagles	05/16	Rich Miano	Free Agent Signing
--	Eagles Eagles	05/16	Chris Mitchell	Free Agent Signing
--	49ers 49ers	05/16	Ralf Mojsiejenko	Free Agent Signing
Cowboys Cowboys	Cowboys Cowboys	05/16	Cliff Stoudt	Asked to Re-Sign
Browns Browns	Browns Browns	05/14	Mike Johnson	Asked to Re-Sign
Redskins Redskins	Redskins Redskins	05/13	Stephen Hobbs	Asked to Re-Sign
--	Cowboys Cowboys	05/10	Donald Smith	Free Agent Signing
--	Oilers Oilers	05/09	Frank Miotke	Free Agent Signing
Vikings Vikings	Vikings Vikings	05/07	Ken Clarke	Asked to Re-Sign
--	Steelers Steelers	05/07	Jarrod Johnson	Free Agent Signing
--	Colts Colts	05/07	Ed Toner	Free Agent Signing
--	Chiefs Chiefs	05/06	Billy Bell	Free Agent Signing
Rams Rams	Rams Rams	05/06	Paul Butcher	Asked to Re-Sign
--	Cardinals Cardinals	05/06	Anthony Edwards	Free Agent Signing
--	Cardinals Cardinals	05/06	Al Jacevicius	Free Agent Signing
--	Cardinals Cardinals	05/06	Richard Jones	Free Agent Signing
--	Saints Saints	05/06	Mike Keim	Free Agent Signing
Vikings Vikings	Vikings Vikings	05/06	Leo Lewis	Asked to Re-Sign
--	Chiefs Chiefs	05/06	Patrick Swoopes	Free Agent Signing

1991 NFL signings by month | NFL.com

1991 NFL Transactions