Fantasy Baseball Week 5 Preview: Top 10 sleeper hitters highlight Angel Martinez, Mauricio Dubon

Whether you're in need of an injury fill-in or just a hot-hand play, Scott White has you covered with 10 sleeper hitters for the upcoming scoring period, all rostered in less than 80 percent of CBS Sports leagues. They're not must-starts by any estimation, but they're often the best you'll find off the waiver wire.

Be sure to check back Sunday for the latest updates.

Best hitter matchups for Week 5

1. Mariners ATH3, @STL3
2. White Sox @ARI3, WAS3
3. Tigers @BOS1, MIL3, @CIN3
4. Rockies LAD1, SD3, @NYM3
5. Marlins STL3, @SF3

Worst hitter matchups for Week 5

1. Giants LAD3, MIA3
2. Orioles @KC3, BOS3
3. Pirates @TEX3, @MIL3
4. Athletics @SEA3, @TEX3
5. Rays CIN3, MIN3