MLB DFS Sleeper Fantasy Picks Today, 8/31: Baseball Projections + More

The opportunities to gloss over fantasy baseball projections and bring home some cold hard cash are endless on Saturday, August 31st, with baseball starting before you’ve even finished your lunch with our MLB DFS Sleeper Fantasy picks.
Let’s dive into some of our favorite MLB DFS Sleeper Fantasy picks including Nick Pivetta of the Boston Red Sox and Brent Rooker of the Oakland Athletics.
MLB DFS Sleeper Fantasy Picks, Sat, 8/31: Fantasy Baseball Projections
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Nick Pivetta Sleeper Fantasy MLB Pick: More Than 5.5 Strikeouts (1.6x)
As inconsistent as Nick Pivetta can be, the reason he’s one of our favorite MLB DFS Sleeper Fantasy Picks today is because he misses bats. On the year, Pivetta averages 10.9 K/9 and has a K-rate approaching 30%. He’s had more than 5.5 K’s in six of his last eight starts and faces a Tigers offense striking out 24.3% of the time against righties, eighth most in baseball.
- Pick: More Than 5.5 Strikeouts (1.6x)
Brent Rooker Sleeper Fantasy MLB Pick: More Than 1.5 Hits+Runs+RBI (1.6x)
Brent Rooker against left-handed pitching is an elite matchup and I love looking at his DFS lines when he’s facing one. On the year, Brent Rooker has a .651 SLG%, 1.011 OPS, .372 ISO, .409 wOBA against southpaws. He faces Cody Bradford who has been pretty good this year, but struggles against righty power bats. He’s allowed a 52% flyball rate and 1.5 HR/9 this season to right-handed hitters. Rooker’s one of my favorite MLB DFS Sleeper Fantasy Picks.
- Pick: More Than 1.5 Hits+Runs+RBI (1.6x)
Multiplier: 2.6x
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Player News
JP Sears was brilliant in Thursday afternoon’s victory over the White Sox, scattering three hits over six innings of shutout baseball.
The 29-year-old southpaw struck out two and issued a pair of walks in the ballgame. All three of the hits that he allowed in the contest were singles. Only once did the White Sox have a player reach third base against him — on a two-out single by Lenyn Sosa in the sixth inning — but Sears got Michael A. Taylor to pop out to the catcher to end the threat. He generated just one swing and miss on 100 pitches in the ballgame, posting an underwhelming CSW of only 20 percent. He’ll see if he can keep the good times rolling as he carries a 3.13 ERA, 1.09 WHIP and an 18/5 K/BB ratio (23 innings) into Wednesday’s showdown against the Rangers.
Edgar Quero went 0-for-3 with a strikeout in his big league debut against the Athletics on Thursday.
The 22-year-old rookie backstop started behind the dish and batted seventh for the White Sox on Thursday afternoon against the Athletics. As a whole, the White Sox couldn’t muster a single run and scratched out just four total hits in the game, so Quero wasn’t the only one at fault. Ultimately, his fantasy utility in deeper leagues will depend on how much playing time he sees for the White Sox.
Davis Martin struggled in a losing effort against the Athletics on Thursday afternoon, surrendering four runs on eight hits over his 5 1/3 innings of work.
The 28-year-old right-hander walked one and struck out three batters in the ballgame. Nearly all of the damage done against him came via the long ball as Lawrence Butler swatted a solo shot in the fifth inning and JJ Bleday added a two-run blast in the sixth inning. Martin got seven swings and misses on 90 pitches on the day while posting a CSW of 27 percent. Now 1-2 on the season, he’ll carry a 4.84 ERA, 1.48 WHIP and a 13/6 K/BB ratio (22 1/3 innings) into Tuesday’s matchup against the Twins in Minneapolis.
Masyn Winn (back) is set to begin a minor league rehab assignment at Triple-A Memphis on Friday.
He’ll play there through the weekend and assuming everything goes well he would then be cleared to rejoin the Cardinals on Tuesday when he’s first eligible. Prior to landing on the injured list, the 23-year-old shortstop had been hitting .222/.314/.289 with one homer and three RBI through his first 13 ballgames.
Grayson Rodriguez (shoulder) was scratched from his scheduled bullpen session on Thursday and will undergo an MRI exam after experiencing soreness in his shoulder.
That’s not what you want to hear. The 25-year-old right-hander had thrown a couple of bullpen sessions as he was working his way back from inflammation in his pitching elbow. This is obviously a major setback, the scale of which won’t fully be understood until the O’s get the results of the MRI exam. At this point, it’s fair to wonder if he’ll pitch in the big leagues at all during the 2025 season.
Jake Fraley connected on a grand slam while going 3-for-5, but the Reds fell to the Mariners on Thursday in extra innings.