Maroul's image was used for the cover of the EA Sports video game MVP 06: NCAA Baseball.
He split the year between the AZL Giants and the Salem-Keizer Volcanoes, hitting a combined .275 with six home runs and 32 RBI.
With the San Jose Giants in 2007, Maroul hit .221 with 20 home runs and 50 RBI, 25 walks and 112 strikeouts in 420 at-bats.
He played for the Connecticut Defenders in 2008, hitting .230 with 10 home runs, 35 RBI, 21 walks and 110 strikeouts in 366 at-bats.
In 2009, he played for the San Jose Giants, Connecticut Defenders and Fresno Grizzlies, hitting a combined .220 with seven home runs and 29 RBI in 63 games.