Marshall was 11 for 17 on third-down conversions, and out-gained UConn 389-213. The Thundering Herd had the ball 34:42, compared to the Huskies 25:18.
UConn, which went 2-10 in its first season under Diaco, won three of its final four games to rebound from a slow start to reach the St. Petersburrg Bowl.
UConn (6-7), which came up short in a bid to have a winning record for the first time since 2010.
Marshall is 4-0 in bowl games under Holliday, including a 20-10 victory over Florida International in the 2011 St. Petersburg Bowl. The Thundering Herd won the Boca Raton Bowl in 2014 and Military Bowl two years ago.
Holliday is 50-28 at Marshall.
lol... just move to the Sunbelt Conference already...