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Sam Antonacci or Willson Contreras

Who Should I Start? - Week 18 • Start New
Sam Antonacci

Sam Antonacci

LFChicago White Sox CHW
Willson Contreras

Willson Contreras

1BBoston Red Sox BOS
OR
🔓 EXPERT ANALYSIS

Owners starting Antonacci over Contreras

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Sam Antonacci

Rookie Sam Antonacci brings high-energy production to White Sox division chase

Antonacci has cooled slightly with a .167 average over his last seven days, but his .306 mark over the last month highlights his impact on the second-place White Sox. Chicago currently sits at 50-45 and enters the weekend on a three-game win streak, relying on the rookie as their primary left fielder with Austin Hays on the shelf. His grit is evident as he nears a franchise record for being hit by pitches, keeping his on-base percentage at an elite .380 despite a recent dip in hits.

While our models initially expected modest production, Antonacci has already exceeded his power projections with six home runs and 13 stolen bases through 75 games. His current .287 season average is backed by elite contact skills and a specialized approach against sliders, suggesting this breakout rookie campaign is a sustainable baseline. His ability to contribute across five categories, combined with his high-leverage emergency versatility, makes him a foundational piece for fantasy managers in both redraft and dynasty formats.

The White Sox conclude the week with a three-game road series in Toronto. Antonacci faces a tough Friday matchup against Spencer Miles and his 3.09 ERA, but he has a prime opportunity on Saturday against Shane Bieber, who has struggled to a 7.64 ERA and 2.04 WHIP this season. The series wraps against Trey Yesavage, whose 3.84 ERA is manageable for a hitter of Antonacci's caliber. Given the favorable weekend matchups and his locked-in role at the top of the lineup, he remains a high-floor option. Start.

Updated 1 day ago

Latest News Sam Antonacci
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🔓 EXPERT ANALYSIS

Owners starting Contreras over Antonacci

 
 
 
 
START BOTH START BENCH BOTH BN

Includes Detailed Projections

Outlook Willson Contreras

Willson Contreras poised for high-impact return to a red-hot Red Sox lineup

Contreras has been dynamic when available, hitting .316 with two home runs and eight RBI over his last 14 days. He is currently working his way back from a league suspension following an early July incident, but his active participation in the recent Home Run Derby suggests he is ready to rejoin the third-place Red Sox. Boston enters the second half with massive momentum, currently riding an impressive nine-game winning streak.

Under the hood, the 34-year-old is enjoying a significant power surge, already reaching 20 home runs through 88 games—a total that has already surpassed our models' initial season projection. His current .288 batting average and .930 OPS are well above his career baselines, indicating he has found a new gear in his first year with Boston. While some regression toward a .250 average is expected, his elite power from the first base slot is sustainable.

The week ahead features a four-game series at home against the Rays. Contreras is projected to face Griffin Jax, who carries a solid 3.46 ERA and 1.26 WHIP, alongside a Tampa Bay rotation that generally limits base runners well. Despite the challenging matchups and his recent absence, his elite run-production floor makes him an automatic play as he returns to the everyday lineup. Start.

Updated 1 day ago

Latest News Willson Contreras
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Performance Sam Antonacci
Fantasy Chart Loading...

AVG HR RBI R OBP SLG SB GP
.333233.4001.00002
Season stats based on the past 7 days

AVG HR RBI R OBP SLG SB GP
.267254.3330.46728
Season stats based on the past 14 days
Performance Willson Contreras
Fantasy Chart Loading...

AVG HR RBI R OBP SLG SB GP
.250111.2501.00001
Season stats based on the past 7 days

AVG HR RBI R OBP SLG SB GP
.263394.3330.78905
Season stats based on the past 14 days
Next Up Own/Start Comparison
OWN/START Sam Antonacci
OWN
68%
-1.06 compared to last week
START
65%
+10.6 compared to last week
OWN/START Willson Contreras
OWN
85%
-1.53 compared to last week
START
42%
+14.72 compared to last week
Next Up Consensus Rankings
Expert Consensus Sam Antonacci
21st
Average Ranking of Fantasy Experts
Expert Consensus Willson Contreras
13th
Average Ranking of Fantasy Experts
Next Up Player Breakdowns
Breakdown Sam Antonacci

    Overview

  • He is eligible to play multiple positions including: LF 2B . However, he plays LF most often.
  • Experts rank this player at 22nd among OF's. Based on his stats from the past 60 days, he is currently ranked 10th.
  • The current leader among OF's is James Wood
  • He is doing a better than most people thought he would.
  • In the past two weeks he has had an awful lot of time off. Either he isn't an every day player or he is coming back from an injury of some sort. I suggest checking out his news page to get a closer look.
  • Trending Batting Stats

  • Ranked 117th in BABIP (Batting Average on Balls In Play) with 0.328
  • Top 75 in batting average with 0.291 and is currently ranked 75th
  • Top 75 on base percentage and is currently ranked 51st with 0.380
  • Not too impressive with slugging percentage currently ranked 164th with 0.434
  • Not too impressive with on base plus slugging currently ranked 108th with 0.814
  • Not very impressive in steals and is currently ranked 119th with 10
  • Not too impressive and is currently ranked 230th in RBI with 20
  • Top 100 in runs scored and is currently ranked 76th with 34
  • His average points in the past two weeks have remained fairly consistant and rose slightly by 0.1 PPG.
  • At this point in the season his numbers compared to last years: AVG: +0.289, OBP: +0.38, HRs: +7, RBI: +29, Runs: +50, Wlks: +22, Stls: +13,
Breakdown Willson Contreras

    Overview

  • Experts rank this player at 13th among 1B's. Based on his stats from the past 60 days, he is currently ranked 9th.
  • The current leader among 1B's is Luis Garcia Jr.
  • He is putting up slightly better numbers than the experts expected him to.
  • In the past two weeks he has had an awful lot of time off. Either he isn't an every day player or he is coming back from an injury of some sort. I suggest checking out his news page to get a closer look.
  • Trending Batting Stats

  • Top 50 in BABIP (Batting Average on Balls In Play) with 0.369 and is currently ranked 49th
  • Top 25 in batting average with 0.323 and is currently ranked 22nd
  • Top 35 on base percentage and is currently ranked 29th with 0.401
  • Top 10 in slugging percentage and is currently ranked 10th with 0.621
  • Top 10 in on base plus slugging and is currently ranked 9th with 1.022
  • Not very impressive in steals and is currently ranked 226th with 1
  • Top 35 in RBI and is currently ranked 31st with 36
  • Not too impressive and is currently ranked 147th in runs scored with 26
  • Top 50 in HRs and is currently ranked 45th with 11
  • His average points in the past two weeks have increased by 2.8 PPG.
  • At this point in the season his numbers compared to last years: AVG: +0.034, OBP: +0.044, HRs: +8, RBI: +6, Runs: EVEN, Wlks: +3, Stls: -2,
Next Up Health Check
Injury Sam Antonacci

No Injury Reported

Injury Willson Contreras

No Injury Reported

Next Up Matchup Comparison
Matchups Sam Antonacci
DateOpponentResult
Jul 17@TORTyler SchweitzerW 4-12
Jul 18@TORShane Bieber
Jul 19@TORTrey Yesavage
AVG HR RBI R OBP SLG SB GP
.400122.4001.00001
Season stats based on this weeks opponents
Matchups Willson Contreras
DateOpponentResult
Jul 17VS TBJake BennettW 10-0
Jul 17VS TBGreg WeissertW 5-3
Jul 18VS TBIan Seymour
Jul 19VS TBShane McClanahan
AVG HR RBI R OBP SLG SB GP
.100111.2800.25007
Season stats based on this weeks opponents
Next Up Ratings Comparison
Rating Sam Antonacci
9.44
FantasySP Player Rating
Rating Willson Contreras
11.75
FantasySP Player Rating
Next Up Career Comparison
Career Sam Antonacci
YEAR TM GP H HR R RBI SB BB AVG OBP SLG PTS
2026 CHW 75 77 7 50 29 13 22 .289 .380 .429 270
ON PACE 126 129 11 84 48 21 37 .289 .380 .429 455
3-YEAR AVG . . . 0
Career 75 77 7 50 29 13 22 .289 .380 .429
Career Willson Contreras
YEAR TM GP H HR R RBI SB BB AVG OBP SLG PTS
2016 CHC 73 69 12 32 35 2 26 .276 .352 .484 185
2017 CHC 114 104 21 50 74 5 41 .276 .350 .499 314
2018 CHC 135 118 10 50 54 4 52 .249 .337 .390 289
2019 CHC 100 99 24 57 64 1 38 .275 .357 .536 303
2020 CHC 58 45 7 34 25 1 18 .234 .352 .396 127
2021 CHC 120 96 21 59 57 6 48 .238 .335 .443 342
2022 CHC 110 99 21 64 54 4 43 .242 .347 .462 366
2023 STL 122 111 19 53 66 6 50 .261 .354 .459 387
2024 STL 84 79 15 48 36 4 45 .262 .380 .468 266
2025 STL 135 126 20 70 80 5 44 .257 .345 .447 416
2026 BOS 87 91 21 47 62 2 35 .288 .382 .551 316
ON PACE 146 153 35 79 104 3 59 .288 .382 .551 533
3-YEAR AVG 114 105 18 57 61 5 46 .260 .357 .456 356
Career 1138 1037 191 564 607 40 440 .259 .352 .465
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Matchups

Week 1
ARI @LAC
ATL @PIT
BAL @IND
BUF @HOU
CAR vs CHI
CIN vs TB
CLE @JAC
DAL @NYG
DEN @KC
DET vs NO
GB @MIN
LAR vs SF
LV vs MIA
NE @SEA
NYJ @TEN
PHI vs WAS
Matchup Time Pitchers
ARI vs STL 04:10 EDT EST Brandon Pfaadt
Dustin May
ATH vs WAS 10:05 EDT EST J.T. Ginn
Zack Littell
ATL vs TEX 04:10 EDT EST Owen Murphy
MacKenzie Gore
BAL @HOU 04:10 EDT EST Trevor Rogers
Spencer Arrighetti
BOS vs TB 04:10 EDT EST Patrick Sandoval
Ian Seymour
CHC vs MIN 02:20 EDT EST Matthew Boyd
Taj Bradley
CHW @TOR 03:07 EDT EST Davis Martin
Shane Bieber
CIN @COL 03:10 EDT EST Rhett Lowder
Tomoyuki Sugano
CLE vs PIT 01:10 EDT EST Gavin Williams
Jared Jones
DET @LAA 10:07 EDT EST Tarik Skubal
Grayson Rodriguez
KC vs SD 04:10 EDT EST Randy Dobnak
Griffin Canning
LAD @NYY 08:08 EDT EST Emmet Sheehan
Ryan Weathers
MIA @MIL 04:10 EDT EST Max Meyer
Shane Drohan
NYM @PHI 04:05 EDT EST Sean Manaea
Jesus Luzardo
SEA vs SF 08:08 EDT EST Bryan Woo
Logan Webb
Matchup Time
No games scheduled
Matchup Time
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