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Fantasy Baseball Value Picks: Top DraftKings MLB DFS Bargain Plays for Saturday 7/19/25

Fantasy Baseball Value Picks: Top DraftKings MLB DFS Bargain Plays for Saturday 7/19/25

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By: Stan Son

There are nine MLB games on the slate for Saturday, with the first starting at 1:05 p.m. EST. Here are three value picks for the slate. This article is written before the actual lineups come out, so keep track of updates throughout the day.

Set your DraftKings fantasy baseball lineups here: MLB $125K Bat Flip [$25K to 1st]

SP Kumar Rocker, Texas Rangers vs. Detroit Tigers, $6,400

Rocker was selected with the third overall pick in the 2022 MLB Draft. He’s a mountain of a man at 6’5″ and 245 pounds. Oh, he also can get the fastball up to 99 mph.

As with most young pitchers, though, he’s struggled in his first real MLB stint. He did appear in three contests last season, but that was only for 11.2 innings. Through 49.1 innings this season, the ERA is a whopping 6.39 and he’s allowed nine home runs. The strikeout rate is only 19.3% and he’s been getting hit hard. The average exit velocity is 91.5 mph, the barrel rate is 13% and the hard hit rate is 48.4%.

He’s cheap for reasons.

But not all is doom and gloom. The swinging strike rate is 11.2% and the chase rate is 30%. He’s averaging 96 mph on the fastball and the FIP is much lower than the ERA at 4.87. The BABIP is an elevated .329 while the strand rate is 64.2%.

The biggest thing, though, is that Rocker has gotten rocked on the road. He’s allowed 29 earned runs on the road, compared to only six at home. He’s pitched 26.1 innings on the road and 23 at home. This game is at home.

In addition, the Tigers strike out at the third-highest rate against right-handed pitching.


SP Lance McCullers Jr., Houston Astros at Seattle Mariners, $6,800

The range of outcomes is extremely wide for McCullers. I’d rather spend my time watching someone play with a yo yo than scroll through his game log.

McCullers has four games below 10 FPTS this season. Two of those were worse than -10. On the flip side, he has two games over 27 FPTS.

In 41.2 innings, the strikeout rate is nice at 24.5%. Unfortunately, the walk rate is an absurd 13% while he’s allowed nine home runs. The ERA is 6.48 while the FIP is 5.77.

Here’s the thing with McCullers this season, though. He’s been much better on the road than at home. Eight of the nine earned runs have come at home while he’s limited batters to a .181/.298/.236 slash on their home field. This game is in Seattle, which is one of the better pitcher-friendly parks in MLB.


2B/OF Angel Martinez, Cleveland Guardians vs. Athletics, $2,800

I feel so gross writing up Martinez because many of the advanced numbers make me want to vomit. The chase rate is 41.4%, the hard hit rate is 27.7%, the barrel rate is 3.8% and the average exit velocity is 87.3 mph.

That said, he does have eight home runs on the season and the ISO is a respectable .154.

While he’s primarily been batting towards the bottom of the lineup, he’s also spent some time in the leadoff or second position. On Friday, Martinez was back in the leadoff spot because Steven Kwan was kept out of the lineup due to a wrist issue. If Martinez is back in the leadoff spot again on Saturday, that by itself probably pays for the price tag.

If that doesn’t float your boat, in the second-to-last series before the All-Star break, Martinez hit a home runs in three straight games.

Stan joined DraftKings in December of 2020. It was a glorious time, except for that whole COVID thing, when we got Madden streams and boisterous bat flips from the KBO. I was brought on board to bring some West Coast flavor. I especially love hoops, and most of my content is in that arena. When I walk along the beach, strumming my guitar, the beat that I hear is not one of crashing waves. No, it is the beat of the ball bouncing off the hardwood with highs provided by the squeaks of the sneakers. Ball is life.
Disclaimer

I am a promoter at DraftKings and am also an avid fan and user (my username is sontzu) and may sometimes play on my personal account in the games that I offer advice on. Although I have expressed my personal view on the games and strategies above, they do not necessarily reflect the view(s) of DraftKings and do not constitute a representation that any particular strategy will guarantee success. All customers should use their own skills and judgment in building lineups. I may also deploy different players and strategies than what I recommend above. I am not an employee of DraftKings and do not have access to any non-public information.