What began way back in 1988 with Starting Lineup baseball figures was the beginning of an entire new market of baseball collectibles. Starting Lineup baseball figures tapped into a market that hadn't been touched before. With the ability to produce figures for every single team on a consistent basis, fans of every team were able to find SLU figures of their favorite player.
MLB Starting Lineup figures were produced from 1988-2001 they are also referred to as SLU baseball figures for short. The most popular series these days are the earlier series, with the 1988 and 1989 mlb starting lineup figures being the most popular.