Unless you have a roster stacked with high-end pitchers, you need to keep a close eye on the MLB schedule as you get ready to set your lineups. You'll need to know which of your starting pitchers have daunting matchups, which two-start pitchers to target, and which options are worth targeting on the Fantasy baseball waiver wire. That's why you'll want to see SportsLine's weekly pitching Start 'Em & Sit 'Em chart and Fantasy baseball rankings from William Dubiel. A 15-year Fantasy veteran, Dubiel got his start in Fantasy baseball and has done work for Rotoballer, Metro US and multiple other outlets during his career. He was named the No. 4 MLB Ranker for the 2017 MLB season, so if there's anybody who can give you an edge in your Fantasy baseball league, it's him. His Fantasy baseball rankings 2019 for this week are only available at SportsLine.

Now, he's helping Fantasy baseball owners everywhere set their pitching lineup each week. Dubiel goes through every starting pitcher matchup for the upcoming week, making start and sit picks for each game. Now, he's set his sights on Week 5 of the Fantasy baseball season and has revealed which pitchers you need to start and which pitchers you need to avoid like the plague. 

One pitcher Dubiel loves this week: Diamondbacks SP Luke Weaver

Coming off a disappointing season in 2018, Weaver is looking more like the player with so much promise we saw in 2017. Through four starts, he has a 3.92 ERA and 2.91 FIP, with 24 strikeouts in 20.2 innings of work. Weaver is still available in about half of CBS Sports Fantasy baseball leagues, and Dubiel has him as a start for his first matchup against the Pirates. Things might not go as well in his second start against the Cubs, but you'll still want him in your lineup as a two-start pitcher in weekly lineup lock leagues.

And a massive shocker: Dubiel says Fantasy owners should sit Cubs SP Kyle Hendricks against the Dodgers this week. 

Hendricks carries a 3.54 ERA with 21 punchouts over 20.1 frames into his start against Los Angeles on Thursday. However, the Dodgers enter this week ranked second in the MLB in runs scored (136), hits (211), RBIs (132) and home runs (44). He's a pitcher to consider putting on the bench. 

Dubiel is also calling for a surprising pitcher you aren't even thinking about who is a must-start this week. Starting this player could be the difference between winning big and going home with nothing.

So which pitchers should you start and sit this week? Visit SportsLine now to get William Dubiel's start and sit calls for Week 5, plus see which starting pitcher has two extremely favorable matchups this week, all from one of the most accurate Fantasy baseball experts in the nation.