Recently Added

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2025 Marucci Asura Bat (-11) Composite 17 oz 28" (Used)
Rogersbk
2025 Marucci Asura Bat (-11) Composite 17 oz 28" (Used)
$350
Retail price: $449
Wilson A2000 “Autism Speaks” Baseball Glove 11.5"
GunRoomGloves
Wilson A2000 “Autism Speaks” Baseball Glove 11.5"
$220
Retail price: $300
Like New 2025 Marucci Cat X2 Composite Bat 30/25 (-5)
viking7833
Like New 2025 Marucci Cat X2 Composite Bat 30/25 (-5)
$299
2024 Louisville Slugger Meta Bat (-10) Composite 23 oz 33" (New)
UpUpandAway
2024 Louisville Slugger Meta Bat (-10) Composite 23 oz 33" (New)
$225
Large Senior CCM Vector Premier Hockey Pants (New)
dariozitko
Large Senior CCM Vector Premier Hockey Pants (New)
$115
Retail price: $175
Women's Adult Small Game Pants (New)
teatime89
Women's Adult Small Game Pants (New)
$30
Retail price: $39
2025 Louisville Slugger Kryo Bat (-10) Composite 20 oz 30" (New)
UpUpandAway
2025 Louisville Slugger Kryo Bat (-10) Composite 20 oz 30" (New)
$350
Used Bauer LS4 Runners (272mm)
AlexB43
Used Bauer LS4 Runners (272mm)
$20
Retail price: $100
Easton The DUB USSSA Certified Bat (-8) 32/24. Hotter Than The Hype Fire!
viking7833
Easton The DUB USSSA Certified Bat (-8) 32/24. Hotter Than The Hype Fire!
$650
Easton The DUB USSSA Certified Bat (-8) 31/23. Hotter Than The Hype Fire!
viking7833
Easton The DUB USSSA Certified Bat (-8) 31/23. Hotter Than The Hype Fire!
$650
2026 Easton The Dub USSSA -5 (31/26). Hotter Than Hype Fire!
viking7833
2026 Easton The Dub USSSA -5 (31/26). Hotter Than Hype Fire!
$650
Retail price: $500
Louisville Slugger Meta Bat (-11) Composite 20 oz 31" (New)
UpUpandAway
Louisville Slugger Meta Bat (-11) Composite 20 oz 31" (New)
$175
2 pack True Hzrdus 9X4 LH 75 Flex TC2
HockeyOnSaleSideline Pro+
2 pack True Hzrdus 9X4 LH 75 Flex TC2
$300
Retail price: $650
2023 Marucci CAT X USABat Certified Bat (-11) Alloy 19 oz 30" (Used)
legacy123
2023 Marucci CAT X USABat Certified Bat (-11) Alloy 19 oz 30" (Used)
$80
Retail price: $180
2026 Easton The Dub USSSA -5 (31/26). Hotter Than Hype Fire!
viking7833
2026 Easton The Dub USSSA -5 (31/26). Hotter Than Hype Fire!
$650
Retail price: $500
Wilson A2000 “Autism Speaks” 1786 11.5”
GunRoomGloves
Wilson A2000 “Autism Speaks” 1786 11.5”
$220
Retail price: $300
True Hzrdus 7x4 Regular (Used)
PastaMcRavioli
True Hzrdus 7x4 Regular (Used)
$300
Senior(1x)Right P77-77 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Right P77-77 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
$148
Retail price: $400
Apple AirPods Pro2 USB-C
btb44
Apple AirPods Pro2 USB-C
$58
Retail price: $250
33" Vaughn Velocity V9 Pro Goalie Leg Pads (Used)
PastaMcRavioli
33" Vaughn Velocity V9 Pro Goalie Leg Pads (Used)
$450

Price Drops

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Victus V-Cut Bat (-3) Maple 30 oz 32" (Used)
Gl0ryzay
Victus V-Cut Bat (-3) Maple 30 oz 32" (Used)
$77$8510%
10% PRICE DROP
Retail price: $150
2024 DeMarini Voodoo USABat Certified Bat (-11) Alloy 16 oz 27" (Used)
Jpdiamond
2024 DeMarini Voodoo USABat Certified Bat (-11) Alloy 16 oz 27" (Used)
$135$15010%
10% PRICE DROP
Retail price: $249
Easton ADV Hype - USSSA - 30” Drop 5
jtrezabek
Easton ADV Hype - USSSA - 30” Drop 5
$41$4815%
41% PRICE DROP
Jones Mountain Twin 159W 2025
jkrogman21
Jones Mountain Twin 159W 2025
$360$40010%
10% PRICE DROP
Retail price: $549
2024 DeMarini The Goods One Piece BBCOR Certified Bat (-3) Alloy 30 oz 33" (New)
UpUpandAway
2024 DeMarini The Goods One Piece BBCOR Certified Bat (-3) Alloy 30 oz 33" (New)
$200$22511%
11% PRICE DROP
Bauer FLC Perf Polo - Rust (Large)
AlexB43
Bauer FLC Perf Polo - Rust (Large)
$13$2035%
57% PRICE DROP
Retail price: $65
Used Men's TaylorMade Right Handed Regular Flex Burner Driver
Olivia_z56
Used Men's TaylorMade Right Handed Regular Flex Burner Driver
$142$16715%
53% PRICE DROP
Retail price: $400
Bomb dropper! 2018 Easton Ghost X Whiteout 32/27 (-5) USSSA Baseball Bat - PG LEGAL!
viking7833
Bomb dropper! 2018 Easton Ghost X Whiteout 32/27 (-5) USSSA Baseball Bat - PG LEGAL!
$150$22533%
33% PRICE DROP
Retail price: $350
Senior(1x)Left P77-77 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Left P77-77 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
$126$14815%
15% PRICE DROP
Retail price: $400
Vintage Golfsmith Putter
jayhello
Vintage Golfsmith Putter
$39$4310%
10% PRICE DROP
Mizuno RX-25 4 Iron Regular
jayhello
Mizuno RX-25 4 Iron Regular
$52$5810%
16% PRICE DROP
Teardrop Roll-Face Zebra TDZ4 34.5" Putter
jayhello
Teardrop Roll-Face Zebra TDZ4 34.5" Putter
$49$5510%
9% PRICE DROP
Guerin Rife 460 Tour Blade 34" Putter
jayhello
Guerin Rife 460 Tour Blade 34" Putter
$48$5310%
33% PRICE DROP
Bauer 263 mm (Used) Tuuk lightspeed edge
mbsports
Bauer 263 mm (Used) Tuuk lightspeed edge
$22$2410%
19% PRICE DROP
Retail price: $100
Rawlings Bat Pack (New)
mbsports
Rawlings Bat Pack (New)
$31$3410%
24% PRICE DROP
Retail price: $80
Senior(1x)Left P77-95 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Left P77-95 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
$126$14815%
15% PRICE DROP
Retail price: $400
Senior(1x)Right P77-95 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Right P77-95 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Hockey Sticks
$126$14815%
15% PRICE DROP
Retail price: $400
Used USSSA Certified 2022 Louisville Slugger META Composite Bat 31" (-5)
Bayside_SportsSideline Pro+
Used USSSA Certified 2022 Louisville Slugger META Composite Bat 31" (-5)
$70$9224%
31% PRICE DROP
Youth STX Strung Stallion 200 Head (Used)
Pronce
Youth STX Strung Stallion 200 Head (Used)
$38$4515%
24% PRICE DROP
Retail price: $70
Senior(1x)Left P77-70 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Left P77-70 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$126$14815%
15% PRICE DROP
Retail price: $400

Recently Sold

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Nike Pro baseball sliding shorts
adventure4x4
Nike Pro baseball sliding shorts
$60
SOLD
Retail price: $110
White Large Men's Adidas Socks (Used)
adventure4x4
White Large Men's Adidas Socks (Used)
$30
SOLD
Retail price: $70
Blue Used Medium Riddell Football Jersey
adventure4x4
Blue Used Medium Riddell Football Jersey
$59
SOLD
Retail price: $200
NEW TAYLORMADE P790 STIFF S300 SHAFT CHROME
adammadam
NEW TAYLORMADE P790 STIFF S300 SHAFT CHROME
$900
SOLD
Retail price: $1,600
Louisville Slugger BBCOR Certified Tpx z1000 (-3) Composite 30 oz 33" (Used)
701_BallGloves
Louisville Slugger BBCOR Certified Tpx z1000 (-3) Composite 30 oz 33" (Used)
$359
SOLD
Red meta prime Louisville slugger
Gavinmarchese
Red meta prime Louisville slugger
$317
SOLD
2021 Demarini The Goods 33/30 (-3) BBCOR Baseball Bat
Ayecay47
2021 Demarini The Goods 33/30 (-3) BBCOR Baseball Bat
$212
SOLD
Senior Bauer Nexus 1N Right Handed Hockey Stick P28 Pro Stock (Used)
michaelt11
Senior Bauer Nexus 1N Right Handed Hockey Stick P28 Pro Stock (Used)
$75
SOLD
Retail price: $200
Used CCM Eflex 5 33+1
KEU_Hockey
Used CCM Eflex 5 33+1
$315
SOLD
Catcher's Mizuno Right Hand Throw Pro Baseball Glove 33.5" (Used)
Tbolemon
Catcher's Mizuno Right Hand Throw Pro Baseball Glove 33.5" (Used)
$200
SOLD
Retail price: $500
Wilson Right Hand Throw Pitcher's A2000 Baseball Glove 11.75" (Used)
BaseballGear801
Wilson Right Hand Throw Pitcher's A2000 Baseball Glove 11.75" (Used)
$126
SOLD
Retail price: $300
2025 Louisville Slugger Atlas BBCOR Baseball Bat: WBL2968010
LaserT
2025 Louisville Slugger Atlas BBCOR Baseball Bat: WBL2968010
$250
SOLD
Retail price: $350
Men's Size M 9.0 (W 10.0) Jordan High Top Molded Cleats 11 (Used)
MMaddo900
Men's Size M 9.0 (W 10.0) Jordan High Top Molded Cleats 11 (Used)
$152
SOLD
Retail price: $200
Patrice Bergeron Team Canada XL Jersey
Blueline
Patrice Bergeron Team Canada XL Jersey
$125
SOLD
New Cascade R Helmet
WholeSports
New Cascade R Helmet
$110
SOLD
Retail price: $280
Brand New Orange Cascade XRS Helmet
Dixiehoss
Brand New Orange Cascade XRS Helmet
$265
SOLD
Retail price: $320
New Cascade XRS Pro Helmet
Rd3729
New Cascade XRS Pro Helmet
$200
SOLD
Retail price: $389
New Cascade XRS Helmet
afritz18
New Cascade XRS Helmet
$225
SOLD
Retail price: $320
《LOT OF 2》BRAND NEW pieces of StringKing Type 5S Performance MESH Semi-Soft ** WHITE **
LegASea_Lax
《LOT OF 2》BRAND NEW pieces of StringKing Type 5S Performance MESH Semi-Soft ** WHITE **
$39
SOLD
Retail price: $60
33" CCM Extreme Flex 4 Regular Goalie Full Set Pro Stock (Used)
jgmccarey
33" CCM Extreme Flex 4 Regular Goalie Full Set Pro Stock (Used)
$400
SOLD

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Baseball Dad Hack: Buying, Selling, and Trading on SidelineSwap
Baseball Dad Hack: Buying, Selling, and Trading on SidelineSwap

Bryan Weston's journey into buying and selling sports gear started in a relatable way —as a dad trying to keep up with his son's evolving baseball needs.

Breaking the Ice: The Hustle Behind Top Flight Hockey’s Million-Dollar Success
Breaking the Ice: The Hustle Behind Top Flight Hockey’s Million-Dollar Success

For Quinton "Q" Oster and Dan Mikrut, two lifelong hockey enthusiasts, their hockey business started with one simple idea.

Vintage Sports, Unique Stories: Inside the World of Pro Seller Zach’s Trunk Show
Vintage Sports, Unique Stories: Inside the World of Pro Seller Zach’s Trunk Show

After leaving a desk job he despised in April of 2018, Zach dove headfirst into the world of sports resale—and hasn’t looked back.