Now in his fourth season in the NFL, 49ers wide receiver Jauan Jennings has primarily been an ancillary piece in San Francisco. However, with Christian McCaffrey (calf), Deebo Samuel (calf) and George Kittle (hamstring) all out last week, he moved up in the pecking order. Jennings played a featured role against the Rams and caught 11 passes for 175 yards and three touchdowns. Samuel and Kittle will likely return on Sunday, so can Jennings provide value again in your Week 4 NFL DFS lineups or are there better values in the NFL DFS player pool? Before setting your NFL DFS lineups on sites like DraftKings and FanDuel for Sunday, be sure to check out the NFL DFS advice, strategy, and stacks from SportsLine daily Fantasy expert Mike McClure

McClure is a legendary professional DFS player with more than $2 million in career winnings. He uses a powerful prediction model that simulates every snap of NFL action, taking factors such as matchups, statistical trends, and injuries into account. This allows him to find the best DFS values that he shares only with members at SportsLine. His methodology has led to enormous cashes on FanDuel and DraftKings, including. Last year, he won the DraftKings Millionaire Maker twice and the FanDuel Million once. Anyone who has followed him is way up.

Now, McClure has turned his attention to the Week 4 NFL schedule on Sunday and just locked in his top daily Fantasy football picks. You can only see his picks and analysis at SportsLine.

Top NFL DFS picks for Week 4

One of McClure's top NFL DFS picks for Sunday is 49ers running back Jordan Mason ($6,700 on DraftKings, $8,800 on FanDuel). Mason is second in the NFL in rushing yards (324), averaging 108 rushing yards per game. He's rushed for more than 75 yards in all three contests with at least 100 yards in two of three games. Mason had at least 100 rushing yards against the Vikings and Jets, two of the better defenses in the NFL this season, as he has provided stability in the 49ers backfield with Christian McCaffrey (calf/Achilles) out.

The 49ers (-10.5) are the largest favorite of the week, according to the latest Week 4 NFL odds from the SportsLine consensus, against the New England Patriots. The Patriots enter off back-to-back losses, allowing 23.5 points per game over that span, and they allowed a rushing touchdown to each team's RB1 in those contests. Mason has proved to be one of the most reliable running backs in the NFL DFS player pool whenever he has the chance to start, as he does on Sunday.

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Part of McClure's optimal NFL DFS strategy also includes rostering Chiefs running back Carson Steele ($5,500 on DraftKings, $5,800 on FanDuel). The undrafted free agent out of UCLA made waves during Chiefs training camp and was productive in preseason games, earning a spot on the 53-man roster for his efforts. Now he's been thrust into a starring role after Isiah Pacheco suffered a broken leg in Week 2.

With Pacheco out, Steele carried the ball 17 times for 72 yards and he was on the field for 62% of Kansas City's offensive snaps. Clyde Edwards-Helaire and Kareem Hunt may eventually be in the mix for touches, but right now it's clear that Andy Reid prefers Steele on early down and in short-yardage packages and Samaje Perine on passing downs. With the Chiefs favored by 7 against the Chargers on Sunday, expect a game script that favors heavy Steele utilization. See who else McClure likes right here

How to set Week 4 NFL DFS lineups

McClure is also targeting another undervalued player who could explode for huge numbers on Sunday. This pick could be the difference between winning your tournaments and cash games or going home with nothing. You can only see who it is, and the rest of McClure's NFL DFS picks, at SportsLine.

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So who is Mike McClure including in his optimal NFL DFS lineups for Sunday, and which under-the-radar NFL DFS picks offer huge value? Visit SportsLine now to see optimal NFL DFS picks, rankings, advice, and stacks, all from a daily Fantasy expert with more than $2 million in winnings, and find out.