| Sep 14, 1990 Fri | Preseason | Pittsburgh | Detroit | Caufield-Probert (4.2) |
| Sep 15, 1990 Sat | Preseason | Los Angeles | Pittsburgh | (Cheap) McSorley-unknown |
| Sep 17, 1990 Mon | Preseason | Los Angeles | Pittsburgh | Add Fight |
| Sep 19, 1990 Wed | Preseason | Pittsburgh | Los Angeles | (Rough) Kyte-Taylor |
| Sep 20, 1990 Thu | Preseason | Detroit | Pittsburgh | (Hit) Probert-Jagr
Probert-Kachowski (6)
McRae-Caufield (3)
McKay-Kachowski (8)
Potvin-Paek (2.5)
Houda-Cullen (5.5) |
| Sep 22, 1990 Sat | Preseason | Los Angeles | Pittsburgh | (Cheap) Sandstrom-Brown |
| Sep 24, 1990 Mon | Preseason | Los Angeles | Pittsburgh | Add Fight |
| Sep 28, 1990 Fri | Preseason | Pittsburgh | Minnesota | Add Fight |
| Sep 30, 1990 Sun | Preseason | Pittsburgh | NY Islanders | (Cheap) Daniels-Norton |
| Oct 5, 1990 Fri | | Pittsburgh | Washington | Add Fight |
| Oct 7, 1990 Sun | | New Jersey | Pittsburgh | (Cheap) Shanahan-Zalapski (7)
Shanahan-Stevens (7) |
| Oct 9, 1990 Tue | | Pittsburgh | St. Louis | Add Fight |
| Oct 11, 1990 Thu | | Pittsburgh | Chicago | Add Fight |
| Oct 13, 1990 Sat | | Pittsburgh | NY Islanders | Recchi-Wood (2) |
| Oct 16, 1990 Tue | | Philadelphia | Pittsburgh | Add Fight |
| Oct 19, 1990 Fri | | Pittsburgh | Buffalo | Bourque-Hartman (3) |
| Oct 20, 1990 Sat | | NY Rangers | Pittsburgh | Janssens-Paek (4)
Vial-Caufield |
| Oct 23, 1990 Tue | | Montreal | Pittsburgh | Add Fight |
| Oct 25, 1990 Thu | | Quebec | Pittsburgh | Finn-Bourque (2)
Sanipass-Brown (5)
Loiselle-Pederson (4) |
| Oct 27, 1990 Sat | | Pittsburgh | New Jersey | Add Fight |
| Oct 28, 1990 Sun | | NY Islanders | Pittsburgh | Add Fight |
| Oct 30, 1990 Tue | | Pittsburgh | Philadelphia | Add Fight |
| Nov 3, 1990 Sat | | NY Rangers | Pittsburgh | Add Fight |
| Nov 6, 1990 Tue | | Calgary | Pittsburgh | Add Fight |
| Nov 8, 1990 Thu | | St. Louis | Pittsburgh | Add Fight |
| Nov 10, 1990 Sat | | Pittsburgh | Boston | Add Fight |
| Nov 13, 1990 Tue | | Pittsburgh | Minnesota | Add Fight |
| Nov 14, 1990 Wed | | Pittsburgh | Winnipeg | (Hit) Cullen-Cole (2)
Tanti-Sykes (6) |
| Nov 17, 1990 Sat | | Pittsburgh | Los Angeles | Add Fight |
| Nov 21, 1990 Wed | | Philadelphia | Pittsburgh | Add Fight |
| Nov 23, 1990 Fri | | Pittsburgh | Washington | Caufield-May (5) |
| Nov 24, 1990 Sat | | Washington | Pittsburgh | Leach-Bourque (6)
Hunter-Johnson |
| Nov 27, 1990 Tue | | Edmonton | Pittsburgh | Add Fight |
| Nov 29, 1990 Thu | | Hartford | Pittsburgh | Add Fight |
| Dec 1, 1990 Sat | | Pittsburgh | Minnesota | Errey-Chambers (3)
Coffey-Churla (2) |
| Dec 3, 1990 Mon | | Pittsburgh | NY Rangers | Bourque-Domi (4.7) |
| Dec 5, 1990 Wed | | Washington | Pittsburgh | May-Caufield (6)
Kypreos-Aitken (7)
Miller-Coffey |
| Dec 7, 1990 Fri | | Vancouver | Pittsburgh | Add Fight |
| Dec 8, 1990 Sat | | Pittsburgh | Hartford | (Rough) Errey-Verbeek |
| Dec 11, 1990 Tue | | Chicago | Pittsburgh | Add Fight |
| Dec 13, 1990 Thu | | New Jersey | Pittsburgh | Add Fight |
| Dec 14, 1990 Fri | | Pittsburgh | Buffalo | Add Fight |
| Dec 16, 1990 Sun | | Detroit | Pittsburgh | Add Fight |
| Dec 18, 1990 Tue | | Winnipeg | Pittsburgh | Evans-Coffey |
| Dec 20, 1990 Thu | | Minnesota | Pittsburgh | Add Fight |
| Dec 22, 1990 Sat | | Pittsburgh | NY Islanders | Add Fight |
| Dec 23, 1990 Sun | | NY Islanders | Pittsburgh | Vukota-Loney (3.3) |
| Dec 26, 1990 Wed | | Pittsburgh | Washington | Add Fight |
| Dec 28, 1990 Fri | | Detroit | Pittsburgh | Add Fight |
| Dec 29, 1990 Sat | | Pittsburgh | Toronto | Add Fight |
| Dec 31, 1990 Mon | | St. Louis | Pittsburgh | Add Fight |
| Jan 3, 1991 Thu | | NY Rangers | Pittsburgh | Add Fight |
| Jan 5, 1991 Sat | | New Jersey | Pittsburgh | Add Fight |
| Jan 6, 1991 Sun | | Pittsburgh | Montreal | (Cheap) Errey-Svoboda
Coffey-Skrudland |
| Jan 8, 1991 Tue | | Edmonton | Pittsburgh | Anderson-Young |
| Jan 10, 1991 Thu | | Calgary | Pittsburgh | (Hit) Macoun-Zalapski (3)
Otto-Taglianetti |
| Jan 15, 1991 Tue | | Pittsburgh | Philadelphia | Stevens-Kushner (4) |
| Jan 17, 1991 Thu | | Pittsburgh | Toronto | Mini-Brawl at 34:39
Mullen-Richardson |
| Jan 22, 1991 Tue | | New Jersey | Pittsburgh | Daneyko-Errey (1)
Daneyko-Loney (4.5)
(Rough) Madill-Stevens |
| Jan 26, 1991 Sat | | Pittsburgh | Quebec | Add Fight |
| Jan 29, 1991 Tue | | Washington | Pittsburgh | Add Fight |
| Jan 31, 1991 Thu | | Pittsburgh | Philadelphia | Injury (2)
Errey-Berube (4) |
| Feb 2, 1991 Sat | | Boston | Pittsburgh | Add Fight |
| Feb 3, 1991 Sun | | Pittsburgh | Boston | Injury (3)
(Hit) Errey-Janney (3)
Stevens-Wiemer (7.3)
Errey-Pedersen (1)
Coffey-Neely (2) |
| Feb 8, 1991 Fri | | Pittsburgh | Winnipeg | (Rough) Lemieux-Marchment |
| Feb 11, 1991 Mon | | Pittsburgh | Edmonton | Add Fight |
| Feb 14, 1991 Thu | | NY Islanders | Pittsburgh | (Cheap) Vukota-Trottier
Vukota-Caufield (4) |
| Feb 16, 1991 Sat | | Pittsburgh | NY Islanders | Add Fight |
| Feb 19, 1991 Tue | | Buffalo | Pittsburgh | Ray-Loney (1) |
| Feb 21, 1991 Thu | | Toronto | Pittsburgh | Godynyuk-Hrdina |
| Feb 22, 1991 Fri | | Pittsburgh | New Jersey | Mini-Brawl at 21:38
(Cheap) Errey-Terreri
Cullen-Weinrich (4)
Coffey-Muller (4)
Caufield-Crowder (7) |
| Feb 24, 1991 Sun | | Pittsburgh | Washington | Scrum at 1:14
Young-Hunter (2)
Zalapski-Leach
Caufield-Kordic (4)
(Rough) Stevens-Lalor
(Rough) Zalapski-Hunter
(Rough) Coffey-Kypreos
Caufield-Kordic (6.1)
Loney-May (6.7) |
| Feb 26, 1991 Tue | | Pittsburgh | Los Angeles | (Cheap) Hillier-McIntyre
Mini-Brawl at 55:22
Loney-Miller (5.5) |
| Feb 27, 1991 Wed | | Pittsburgh | Vancouver | (Cheap) Caufield-Odjick
Loney-Stern (6) |
| Mar 1, 1991 Fri | | Pittsburgh | Calgary | Add Fight |
| Mar 5, 1991 Tue | | Vancouver | Pittsburgh | (Cheap) Nordmark-Lemieux
Dirk-Stevens (5) |
| Mar 7, 1991 Thu | | Los Angeles | Pittsburgh | Add Fight |
| Mar 9, 1991 Sat | | Pittsburgh | Hartford | Add Fight |
| Mar 10, 1991 Sun | | Pittsburgh | NY Islanders | Add Fight |
| Mar 12, 1991 Tue | | Montreal | Pittsburgh | Add Fight |
| Mar 16, 1991 Sat | | Quebec | Pittsburgh | Sanipass-Jennings
Nolan-Loney
Raglan-Jennings
Raglan-Jennings (5) |
| Mar 17, 1991 Sun | | Pittsburgh | NY Rangers | Caufield-Kocur (5)
Loney-King (1)
(Cheap) Samuelsson-Kocur
(Rough) Errey-Turcotte |
| Mar 19, 1991 Tue | | Pittsburgh | New Jersey | Francis-Kasatonov (5) |
| Mar 21, 1991 Thu | | NY Rangers | Pittsburgh | (Hit) Mallette-Lemieux
(Cheap) King-Lemieux |
| Mar 23, 1991 Sat | | Chicago | Pittsburgh | Add Fight |
| Mar 26, 1991 Tue | | Pittsburgh | Philadelphia | Add Fight |
| Mar 27, 1991 Wed | | Pittsburgh | Detroit | Samuelsson-Fedorov (5)
(Rough) Taglianetti-Probert (3)
Gilhen-Potvin (7) |
| Mar 30, 1991 Sat | | Philadelphia | Pittsburgh | (Cheap) Pederson-Recchi
(Rough) Carkner-Stevens |
| Mar 31, 1991 Sun | | Pittsburgh | NY Rangers | Add Fight |
| Apr 3, 1991 Wed | Round 1 | Game 1 | New Jersey | Pittsburgh | (Rough) Shanahan-Recchi
(Rough) Shanahan-Stanton
(Rough) MacLean-Murphy
Scrum at 59:58
(Rough) Lemieux-Roberts |
| Apr 5, 1991 Fri | Round 1 | Game 2 | New Jersey | Pittsburgh | (Rough) Kasatonov-Loney
(Rough) Stastny-Roberts
Shanahan-Samuelsson (4.2)
Kasatonov-Taglianetti
(Rough) Weinrich-Recchi |
| Apr 7, 1991 Sun | Round 1 | Game 3 | Pittsburgh | New Jersey | (Hit) Coffey-Madill |
| Apr 9, 1991 Tue | Round 1 | Game 4 | Pittsburgh | New Jersey | (Hit) Lemieux-Fetisov
Injury |
| Apr 11, 1991 Thu | Round 1 | Game 5 | New Jersey | Pittsburgh | Norwood-Taglianetti (3)
Norwood-Errey (3) |
| Apr 13, 1991 Sat | Round 1 | Game 6 | Pittsburgh | New Jersey | (Rough) Taglianetti-Daneyko |
| Apr 15, 1991 Mon | Round 1 | Game 7 | New Jersey | Pittsburgh | Add Fight |
| Apr 17, 1991 Wed | QF | Game 1 | Washington | Pittsburgh | Add Fight |
| Apr 19, 1991 Fri | QF | Game 2 | Washington | Pittsburgh | (Rough) Iafrate-Errey
Hunter-Trottier (2) |
| Apr 21, 1991 Sun | QF | Game 3 | Pittsburgh | Washington | Add Fight |
| Apr 23, 1991 Tue | QF | Game 4 | Pittsburgh | Washington | Add Fight |
| Apr 25, 1991 Thu | QF | Game 5 | Washington | Pittsburgh | Add Fight |
| May 1, 1991 Wed | SF | Game 1 | Pittsburgh | Boston | Add Fight |
| May 3, 1991 Fri | SF | Game 2 | Pittsburgh | Boston | (Hit) Samuelsson-Neely (4.5)
Jennings-Nilan (2) |
| May 5, 1991 Sun | SF | Game 3 | Boston | Pittsburgh | Nilan-Loney (5)
(Cheap) Neely-Samuelsson (4)
Mini-Brawl at 52:33
Hoover-Taglianetti |
| May 7, 1991 Tue | SF | Game 4 | Boston | Pittsburgh | Nilan-Recchi (1)
Scrum at 60:00 |
| May 9, 1991 Thu | SF | Game 5 | Pittsburgh | Boston | Add Fight |
| May 11, 1991 Sat | SF | Game 6 | Boston | Pittsburgh | Add Fight |
| May 15, 1991 Wed | Final | Game 1 | Minnesota | Pittsburgh | Add Fight |
| May 17, 1991 Fri | Final | Game 2 | Minnesota | Pittsburgh | (Cheap) Bellows-Samuelsson (2)
Collision (2)
(Cheap) Glynn-Errey (3)
Tinordi-Loney (5.7)
(Rough) Bureau-Stevens
(Rough) Gagner-Stanton
(Cheap) Glynn-Roberts |
| May 19, 1991 Sun | Final | Game 3 | Pittsburgh | Minnesota | Add Fight |
| May 21, 1991 Tue | Final | Game 4 | Pittsburgh | Minnesota | Add Fight |
| May 23, 1991 Thu | Final | Game 5 | Minnesota | Pittsburgh | Scrum at 14:26
(Rough) Tinordi-Stevens |
| May 25, 1991 Sat | Final | Game 6 | Pittsburgh | Minnesota | Scrum at 28:03
(Cheap) Recchi-Johnson
Scrum at 35:25
Event at 60:00 |