With all the talk about the highest seed playing in the late game I researched it. Below is a table showing every HE semifinal game, what each team was seeded and when the game was played:
[TABLE="width: 605"]
[TR]
[TD] [/TD]
[TD="class: xl64"]1st Game[/TD]
[TD]Start Time[/TD]
[TD]End Time[/TD]
[TD="class: xl64"]2nd Game[/TD]
[TD]Start Time[/TD]
[TD]End Time[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]1985[/TD]
[TD="class: xl64"]2 BU v 3 PC[/TD]
[TD="class: xl63, align: right"]5:30 PM[/TD]
[TD] [/TD]
[TD="class: xl65"]1 BC v 5 UML[/TD]
[TD="class: xl63, align: right"]8:30 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1986[/TD]
[TD="class: xl64"]1 BC v 6 UML[/TD]
[TD="class: xl63, align: right"]5:30 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 Bu v 4 PC[/TD]
[TD="class: xl63, align: right"]8:30 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1987[/TD]
[TD="class: xl64"]2 UML v 3 ME[/TD]
[TD="class: xl63, align: right"]6:00 PM[/TD]
[TD] [/TD]
[TD="class: xl65"]1 BC v 5 NU[/TD]
[TD="class: xl63, align: right"]9:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1988[/TD]
[TD="class: xl64, colspan: 6"]2 games total goals semifinals played at campus sites[/TD]
[TD]*[/TD]
[/TR]
[TR]
[TD="align: right"]1989[/TD]
[TD="class: xl64"]1 BC v 4 PC[/TD]
[TD="class: xl63, align: right"]6:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 ME v 3 NU[/TD]
[TD="class: xl63, align: right"]10:05 PM[/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]1990[/TD]
[TD="class: xl64, colspan: 6"]played at campus sites[/TD]
[TD]*[/TD]
[/TR]
[TR]
[TD="align: right"]1991[/TD]
[TD="class: xl64"]3 BU v 4 PC[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl65"]2 ME v 8 NU[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1992[/TD]
[TD="class: xl64"]1 ME v 5 BC[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 UNH v 3 PC[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1993[/TD]
[TD="class: xl64"]1 ME v 4 UML[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 BU v 3 UNH[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1994[/TD]
[TD="class: xl64"]1 BU v 4 NU[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 UML v 3 UNH[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1995[/TD]
[TD="class: xl64"]1 ME v 6 PC[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 BU v 5 UML[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1996[/TD]
[TD="class: xl64"]1 BU v 6 PC[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 UML v 3 ME[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1997[/TD]
[TD="class: xl64"]1 BU vs 6 UML[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 UNH v 5 BC[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1998[/TD]
[TD="class: xl64"]2 BC v 8 MC[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]5 UML v 6 ME[/TD]
[TD="class: xl63, align: right"]12:00 AM[/TD]
[TD]p[/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]1999[/TD]
[TD="class: xl64"]1 UNH v 4 PC[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 ME v 3 BC[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]2000[/TD]
[TD="class: xl64"]1 BU v 4 ME[/TD]
[TD="class: xl63, align: right"]4:00 PM[/TD]
[TD="class: xl63, align: right"]7:00 PM[/TD]
[TD="class: xl64"]2 UNH v 3 BC[/TD]
[TD="class: xl63, align: right"]7:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]2001[/TD]
[TD="class: xl64"]1 BC v 5 UML[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 ME v 3 PC[/TD]
[TD="class: xl63, align: right"]8:00 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD="align: right"]2002[/TD]
[TD="class: xl64"]1 UNH v 4 UML[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 BU v 3 ME[/TD]
[TD="class: xl63, align: right"]7:30 PM[/TD]
[TD="class: xl63, align: right"]10:01 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2003[/TD]
[TD="class: xl64"]1 UNH v 6 MA[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]7:30 PM[/TD]
[TD="class: xl64"]2 BC v 5 BU[/TD]
[TD="class: xl63, align: right"]8:20 PM[/TD]
[TD="class: xl63, align: right"]11:50 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2004[/TD]
[TD="class: xl64"]2 ME v 8 BU[/TD]
[TD="class: xl63, align: right"]5:05 PM[/TD]
[TD="class: xl63, align: right"]7:37 PM[/TD]
[TD="class: xl64"]3 MA v 4 UNH[/TD]
[TD="class: xl63, align: right"]8:35 PM[/TD]
[TD="class: xl63, align: right"]11:00 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2005[/TD]
[TD="class: xl64"]1 BC v 2 ME[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]8:52 PM[/TD]
[TD="class: xl64"]2 BU v 3 UNH[/TD]
[TD="class: xl63, align: right"]9:40 PM[/TD]
[TD="class: xl63, align: right"]12:00 AM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2006[/TD]
[TD="class: xl64"]1 BU v 4 UNH[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]7:32 PM[/TD]
[TD="class: xl64"]2 ME v 3 BC[/TD]
[TD="class: xl63, align: right"]8:30 PM[/TD]
[TD="class: xl63, align: right"]10:55 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2007[/TD]
[TD="class: xl64"]1 UNH v 4 MA[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]8:30 PM[/TD]
[TD="class: xl64"]2 BC v 3 BU[/TD]
[TD="class: xl63, align: right"]9:17 PM[/TD]
[TD="class: xl63, align: right"]11:48 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2008[/TD]
[TD="class: xl64"]1 UNH v 4 BC[/TD]
[TD="class: xl63, align: right"]5:05 PM[/TD]
[TD="class: xl63, align: right"]9:56 PM[/TD]
[TD="class: xl64"]2 BU v 3 UVM[/TD]
[TD="class: xl63, align: right"]10:40 PM[/TD]
[TD="class: xl63, align: right"]1:00 AM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2009[/TD]
[TD="class: xl64"]2 NU v 5 UML[/TD]
[TD="class: xl63, align: right"]5:05 PM[/TD]
[TD="class: xl63, align: right"]8:07 PM[/TD]
[TD="class: xl65"]1 BU v 6 BC[/TD]
[TD="class: xl63, align: right"]8:50 PM[/TD]
[TD="class: xl63, align: right"]11:16 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2010[/TD]
[TD="class: xl64"]2 BC v 8 UVM[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]7:30 PM[/TD]
[TD="class: xl64"]3 BU v 4 ME[/TD]
[TD="class: xl63, align: right"]8:30 PM[/TD]
[TD="class: xl63, align: right"]11:20 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2011[/TD]
[TD="class: xl64"]1 BC v 6 NU[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]7:40 PM[/TD]
[TD="class: xl64"]2 UNH v 4 MC[/TD]
[TD="class: xl63, align: right"]8:35 PM[/TD]
[TD="class: xl63, align: right"]10:59 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2012[/TD]
[TD="class: xl64"]1 BC v 7 PC[/TD]
[TD="class: xl63, align: right"]5:15 PM[/TD]
[TD="class: xl63, align: right"]7:37 PM[/TD]
[TD="class: xl64"]3 BU v 4 ME[/TD]
[TD="class: xl63, align: right"]8:34 PM[/TD]
[TD="class: xl63, align: right"]11:09 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2013[/TD]
[TD="class: xl64"]1 UML v 4 PC[/TD]
[TD="class: xl63, align: right"]5:12 PM[/TD]
[TD="class: xl63, align: right"]7:50 PM[/TD]
[TD="class: xl64"]2 BC v 3 BU[/TD]
[TD="class: xl63, align: right"]8:53 PM[/TD]
[TD="class: xl63, align: right"]11:22 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2014[/TD]
[TD="class: xl64"]2 UML v 8 ND[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]7:23 PM[/TD]
[TD="class: xl64"]3 PC v 4 UNH[/TD]
[TD="class: xl63, align: right"]8:20 PM[/TD]
[TD="class: xl63, align: right"]10:38 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2015[/TD]
[TD="class: xl64"]4 UML v 7 UVM[/TD]
[TD="class: xl63, align: right"]5:00 PM[/TD]
[TD="class: xl63, align: right"]7:37 PM[/TD]
[TD="class: xl65"]1 BU v 8 UNH[/TD]
[TD="class: xl63, align: right"]8:35 PM[/TD]
[TD="class: xl63, align: right"]10:52 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2016[/TD]
[TD="class: xl64"]2 PC v 4 UML[/TD]
[TD="class: xl63, align: right"]5:10 PM[/TD]
[TD="class: xl63, align: right"]9:36 PM[/TD]
[TD="class: xl65"]1 BC v 6 NU[/TD]
[TD="class: xl63, align: right"]10:36 PM[/TD]
[TD="class: xl63, align: right"]12:56 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2017[/TD]
[TD="class: xl64"]1 UML v 4 ND[/TD]
[TD="class: xl63, align: right"]5:05 PM[/TD]
[TD="class: xl63, align: right"]7:20 PM[/TD]
[TD="class: xl64"]2 BU v 3 BC[/TD]
[TD="class: xl63, align: right"]8:05 PM[/TD]
[TD="class: xl63, align: right"]10:50 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2018[/TD]
[TD="class: xl64"]1 BC v 4 BU[/TD]
[TD="class: xl63, align: right"]5:07 PM[/TD]
[TD="class: xl63, align: right"]8:29 PM[/TD]
[TD="class: xl64"]2 NU v 3 PC[/TD]
[TD="class: xl63, align: right"]9:18 PM[/TD]
[TD="class: xl63, align: right"]12:27 AM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2019[/TD]
[TD="class: xl64"]3 NU v 5 BU[/TD]
[TD="class: xl63, align: right"]4:08 PM[/TD]
[TD="class: xl63, align: right"]7:16 PM[/TD]
[TD="class: xl65"]1 MA v 7 BC[/TD]
[TD="class: xl63, align: right"]8:14 PM[/TD]
[TD="class: xl63, align: right"]10:47 PM[/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2020[/TD]
[TD="class: xl64"] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD="class: xl64"] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2021[/TD]
[TD="class: xl64"]1 BC v 7 UML[/TD]
[TD="class: xl63, align: right"]4:30 PM[/TD]
[TD="class: xl63, align: right"]8:21 PM[/TD]
[TD="class: xl64"]3 MA v 5 PC[/TD]
[TD="class: xl63, align: right"]7:00 PM[/TD]
[TD="class: xl63, align: right"]9:24 PM[/TD]
[TD]*[/TD]
[/TR]
[TR]
[TD="align: right"]2022[/TD]
[TD="class: xl64"]1 NU v 4 CT[/TD]
[TD="class: xl63, align: right"]4:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 MA v 3 UML[/TD]
[TD="class: xl63, align: right"]7:30 PM[/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="align: right"]2023[/TD]
[TD="class: xl64"]1 BU v 7 PC[/TD]
[TD="class: xl63, align: right"]4:00 PM[/TD]
[TD] [/TD]
[TD="class: xl64"]2 MC v 5 UML[/TD]
[TD="class: xl63, align: right"]7:30 PM[/TD]
[TD] [/TD]
[TD]^[/TD]
[/TR]
[TR]
[TD] [/TD]
[TD="class: xl64"] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD="class: xl64"] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="colspan: 2"]^ scheduled start times[/TD]
[TD] [/TD]
[TD] [/TD]
[TD="class: xl64"] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[TR]
[TD="colspan: 2"]* played at campus sites[/TD]
[TD] [/TD]
[TD] [/TD]
[TD="class: xl64"] [/TD]
[TD] [/TD]
[TD] [/TD]
[TD] [/TD]
[/TR]
[/TABLE]
Seven times the top seed has played in the late game. Twice in the first three years, 1991 and then not again until 2009, then back-to-back in 2015 and 2016 and again in 2019. BC played in 5 of those games, NU played in 3, BU played in 2, while four other teams played in one each. It appears that 2009 was an outlier, as it was the only time during 23 years that the top seed played the late game. However, the top seed played the late game 3 times in 5 years between 2015 and 2019, making it odd that the BU-BC game in 2018 was the early game (considering the 2017 late game was BU-BC).
Sean