Divock Origi and Georginio Wijnaldum got the goals for Jürgen Klopp’s side in New York as the trophy was shared at the end of the Reds’ third game in America.
Bruno Fernandes had put Sporting in front with an early goal and, after falling behind, Marcus Wendel got them back level in the second half.
Liverpool will now head home to Merseyside from the States before facing Napoli in Edinburgh this weekend and then departing for a training camp in Evian.
Sporting struck the first blow of the night within five minutes of kick-off.
Their captain, Fernandes, tried his luck with a drive from 25 yards that Simon Mignolet attempted to collect down low but fumbled into the net.