Jeroloman spent 11 seasons at various levels of Minor League Baseball, playing for farm teams of the Toronto Blue Jays, Pittsburgh Pirates, and Washington Nationals.

Much later, it was revealed that Jeroloman was suffering from a sprained right wrist for at least part of his stay on the Blue Jays' active roster,[4] but was never placed on the disabled list.

Jeroloman's time on Toronto's active roster while failing to appear in a major league game make him a recent example of a "phantom ballplayer.

[8] On December 19, 2012, the Cleveland Indians announced they had signed Jeroloman to a minor league contract with a non-roster invitation to spring training.

Douglas suffered an injured shoulder, which had hit Jeroloman's neck and throat in the home plate collision.

[16] Jeroloman spent the 2016 season with Harrisburg and the Triple-A Syracuse Chiefs, slashing .229/.349/.305 with no home runs and 12 RBI.