Recently Viewed

Team Curry 10 (New) Basketball Shoes Item#C10
fanellihockeySideline Pro+
Team Curry 10 (New) Basketball Shoes Item#C10
$55$6515%
15% OFF
Unisex Hiking Boots (Used)
daltonbray
Unisex Hiking Boots (Used)
$50
Retail price: $90
Stockli 188 cm LASER GS FIS Skis With Bindings Max Din 16 (Used)
scrowley
Stockli 188 cm LASER GS FIS Skis With Bindings Max Din 16 (Used)
$550
New EvoShield Wrist Guard XL
Best Seller
KO_Ballgluvs
New EvoShield Wrist Guard XL
$26
Retail price: $40
Springfield Thunderbirds AHL 2021 Fifth Anniversary We are 413 Team Rally Towel
SConway20
Springfield Thunderbirds AHL 2021 Fifth Anniversary We are 413 Team Rally Towel
$36

Recently Added

See more
2023 Marucci F5 USSSA Certified Bat (-10) Alloy 18 oz 28" (Used)
DXV2590
2023 Marucci F5 USSSA Certified Bat (-10) Alloy 18 oz 28" (Used)
$60
True Shift 238 mm
bb34hq1f
True Shift 238 mm
$35
Brian's Goalie Knee Guards (New)
Borgielz
Brian's Goalie Knee Guards (New)
$55
Retail price: $100
2023 Rawlings Right Hand Throw Catcher's Pro Preferred Baseball Glove 34" (New)
Jacobbear
2023 Rawlings Right Hand Throw Catcher's Pro Preferred Baseball Glove 34" (New)
$320
Retail price: $400
Louisville Slugger Solo 619 USSSA Certified Bat (-10) 22 oz 32" (Used)
Travisscottlove
Louisville Slugger Solo 619 USSSA Certified Bat (-10) 22 oz 32" (Used)
$60
Retail price: $240
CCM Pro Goalie Mask Cat Eye Pro Stock with Bag (New)
paddyo
CCM Pro Goalie Mask Cat Eye Pro Stock with Bag (New)
$900
Retail price: $1,200
Small Bauer IMS 5.0 Helmet (New)
Nolanoneill
Small Bauer IMS 5.0 Helmet (New)
$25
Retail price: $60
Used RH TaylorMade M2 9.5* Driver Fujikura Ventus TR Graphite Regular Flex
RexGolfShop
Used RH TaylorMade M2 9.5* Driver Fujikura Ventus TR Graphite Regular Flex
$80
Bauer (Used)
Borgielz
Bauer (Used)
$40
Retail price: $90
TaylorMade 2023 Stealth HD Iron Set - 6-PW - Senior Flex Graphite - NEW
HouseOfGolf
TaylorMade 2023 Stealth HD Iron Set - 6-PW - Senior Flex Graphite - NEW
$480
Rawlings Right Hand Throw Outfield Heart of the Hide Baseball Glove 12.75" (Used)
dquiroz13
Rawlings Right Hand Throw Outfield Heart of the Hide Baseball Glove 12.75" (Used)
$250
Ping G Series 2016 Iron Set 5-PW UW Black Dot Steel AWT 2.0 Stiff Flex +1 Long
central_golf
Ping G Series 2016 Iron Set 5-PW UW Black Dot Steel AWT 2.0 Stiff Flex +1 Long
$370
CCM Extreme Flex 6 Blocker And Eflex 4 Glove
khail31
CCM Extreme Flex 6 Blocker And Eflex 4 Glove
$175
Louisville Slugger Solo 618 USABat Certified Bat (-11) 19 oz 30" (Used)
Travisscottlove
Louisville Slugger Solo 618 USABat Certified Bat (-11) 19 oz 30" (Used)
$40
Retail price: $180
Bauer LS Pulse Ti 263 mm (Used)
bb34hq1f
Bauer LS Pulse Ti 263 mm (Used)
$40
HEAD Formula 120 LV GW Ski Boots – Size 27.5 (NSKB000056-57)
barriessportsSideline Pro
HEAD Formula 120 LV GW Ski Boots – Size 27.5 (NSKB000056-57)
$250
Retail price: $699
Large Bauer Re-Akt 150 Helmet (Used)
Nolanoneill
Large Bauer Re-Akt 150 Helmet (Used)
$100
Retail price: $200
Used RH Mizuno ST-Z 19* 3 Hybrid Fujikura Speeder Evolution Graphite Regular 3H
RexGolfShop
Used RH Mizuno ST-Z 19* 3 Hybrid Fujikura Speeder Evolution Graphite Regular 3H
$85
Unisex TaylorMade Mallet SPIDER GT SPLITBACK Left Hand Putter 34" (Used)
Jtrobe09
Unisex TaylorMade Mallet SPIDER GT SPLITBACK Left Hand Putter 34" (Used)
$160
Bauer Sync Hockey Sticks
Player1321
Bauer Sync Hockey Sticks
$220
Retail price: $700

Price Drops

See more
Large Bauer Re-Akt 150 Helmet (Used)
Devdosi
Large Bauer Re-Akt 150 Helmet (Used)
$106$11810%
38% PRICE DROP
Retail price: $220
Rawlings Bat Bag (Used)
ThePlayersClosetSideline Pro+
Rawlings Bat Bag (Used)
$19$3038%
15% OFF
Mizuno Maxcor Bat BBCOR Certified (-3) Composite 29 oz 32" (New)
ThePlayersClosetSideline Pro+
Mizuno Maxcor Bat BBCOR Certified (-3) Composite 29 oz 32" (New)
$55$8535%
15% OFF
Warrior Burn Carbon Men's 30" Lacrosse Attack Shaft (New) - White
sportsguy1
Warrior Burn Carbon Men's 30" Lacrosse Attack Shaft (New) - White
$56$8030%
30% PRICE DROP
Grateful Dead ECD Lacrosse Shaft
GrymesLacrosse
Grateful Dead ECD Lacrosse Shaft
$1,500$1,80017%
25% PRICE DROP
Wilson Baseball Mitt (Used)
ThePlayersClosetSideline Pro+
Wilson Baseball Mitt (Used)
$21$3539%
15% OFF
Marucci CAT9 BBCOR Certified Bat (-3) 29 oz 32" (Used)
KKerri3
Marucci CAT9 BBCOR Certified Bat (-3) 29 oz 32" (Used)
$41$4510%
27% PRICE DROP
New Size Men's 16 Nike Force Savage Elite TD High Top Cleats
RediSideline Pro+
New Size Men's 16 Nike Force Savage Elite TD High Top Cleats
$45$5010%
44% PRICE DROP
Retail price: $130
New Size Men's 15 Adidas Freak High Top Cleats
RediSideline Pro+
New Size Men's 15 Adidas Freak High Top Cleats
$27$3010%
33% PRICE DROP
NEVER USED Large Adult STX Cell V Arm Pads
luca__rose
NEVER USED Large Adult STX Cell V Arm Pads
$59$6510%
16% PRICE DROP
Retail price: $85
Easton Beast X Bat BBCOR Certified (-3) 29 oz 32" (Used)
ThePlayersClosetSideline Pro+
Easton Beast X Bat BBCOR Certified (-3) 29 oz 32" (Used)
$46$7640%
15% OFF
Used Large Youth Schutt SI 770 Shoulder Pads
RediSideline Pro+
Used Large Youth Schutt SI 770 Shoulder Pads
$28$3213%
60% PRICE DROP
Retail price: $130
Used Large Youth Schutt SI 770 Shoulder Pads
RediSideline Pro+
Used Large Youth Schutt SI 770 Shoulder Pads
$28$3213%
60% PRICE DROP
Retail price: $130
CCM Gloves 13" Pro Stock (Used)
Cvw
CCM Gloves 13" Pro Stock (Used)
$50$10050%
50% PRICE DROP
Retail price: $250
Senior Medium CCM Hockey Pants Pro Stock (Used)
Cvw
Senior Medium CCM Hockey Pants Pro Stock (Used)
$115$15325%
15% PRICE DROP
Retail price: $230
Medium CCM Helmet Pro Stock (Used)
Cvw
Medium CCM Helmet Pro Stock (Used)
$100$20050%
50% PRICE DROP
Retail price: $500
2022 AXE Avenge Pro Bat USSSA Certified (-10) Composite 20 oz 30" (Used)
ThePlayersClosetSideline Pro+
2022 AXE Avenge Pro Bat USSSA Certified (-10) Composite 20 oz 30" (Used)
$46$7135%
15% OFF
2020 DeMarini CF Bat USSSA Certified (-8) Composite 23 oz 31" (Used)
ThePlayersClosetSideline Pro+
2020 DeMarini CF Bat USSSA Certified (-8) Composite 23 oz 31" (Used)
$43$6735%
15% OFF
True Pro Custom Hockey Skates Narrow Width 10 (Used)
Rjs23
True Pro Custom Hockey Skates Narrow Width 10 (Used)
$500$60017%
17% PRICE DROP
Marucci CAT9 Bat USSSA Certified (-8) Alloy 23 oz 31" (Used)
ThePlayersClosetSideline Pro+
Marucci CAT9 Bat USSSA Certified (-8) Alloy 23 oz 31" (Used)
$22$3537%
15% OFF

Recently Sold

See more
Used Maverik 12" M5 Lacrosse Gloves
laxbrother44
Used Maverik 12" M5 Lacrosse Gloves
$55
SOLD
Retail price: $140
STX exult 600 complete
gainesville352
STX exult 600 complete
$40
SOLD
Retail price: $275
Used Nokona S100I Right Hand Thrower - Excellent Condition
justgloves
Used Nokona S100I Right Hand Thrower - Excellent Condition
$325
SOLD
Retail price: $380
Used Rawlings R9314-2BG Right Hand Thrower - Good Condition
justgloves
Used Rawlings R9314-2BG Right Hand Thrower - Good Condition
$90
SOLD
Retail price: $140
SuperFeet Yellow Performance Skate Insoles Footbeds 7.5 *Serious Buyers Only - Read Description*
SammyStecker
SuperFeet Yellow Performance Skate Insoles Footbeds 7.5 *Serious Buyers Only - Read Description*
$21$2515%
SOLD
Senior Warrior R/F1 Goalie Mask (New)
dwvaughan
Senior Warrior R/F1 Goalie Mask (New)
$234$27515%
SOLD
Goaliesmith Game Day Sweats
jdonoSideline Pro
Goaliesmith Game Day Sweats
$43$5015%
SOLD
Retail price: $70
New 15" Bauer Supreme Mach Pro Stock Gloves
ProSourceHockeySideline Pro
New 15" Bauer Supreme Mach Pro Stock Gloves
$195$22915%
SOLD
2024 Easton Hype Fire USSSA Certified Bat (-10) Composite 19 oz 29" (Used)
357magag
2024 Easton Hype Fire USSSA Certified Bat (-10) Composite 19 oz 29" (Used)
$150
SOLD
Retail price: $300
2025 Head Kore 93 Skis With Tyrolia Attack 13 Bindings 177cm
PeteLanesSV
2025 Head Kore 93 Skis With Tyrolia Attack 13 Bindings 177cm
$425$50015%
SOLD
Retail price: $1,200
CCM Black Tacks XF 11” Glove
Hops4
CCM Black Tacks XF 11” Glove
$40$4715%
SOLD
Retail price: $149
Bauer Tracer 87 flex P90TM Curve left Hand Stick
Hops4
Bauer Tracer 87 flex P90TM Curve left Hand Stick
$120$14115%
SOLD
Retail price: $339
Bauer Limited Edition Easton S17 Hockey Stick
Smoyer889
Bauer Limited Edition Easton S17 Hockey Stick
$150
SOLD
Retail price: $200
Marucci CAT X USABat Certified Bat (-11) 14 oz 25" (Used)
jcastellano21
Marucci CAT X USABat Certified Bat (-11) 14 oz 25" (Used)
$30
SOLD
All Star System 7 Catcher's Set (Used)
treywilliams
All Star System 7 Catcher's Set (Used)
$150
SOLD
CCM Tacks XF70 size 6.5 Regular Width Skates
Hops4
CCM Tacks XF70 size 6.5 Regular Width Skates
$116$13615%
SOLD
Retail price: $249
Driveline 5kc wrist weights
Jfortino
Driveline 5kc wrist weights
$38
SOLD
Retail price: $90
Boston University Cascade S Lacrosse Helmet - White with Red Chrome Decals (retail: $350)
Caldwell_sportsSideline Pro+
Boston University Cascade S Lacrosse Helmet - White with Red Chrome Decals (retail: $350)
$145
SOLD
Retail price: $350
2024 Catcher's Rawlings Right Hand Throw Heart of the Hide Baseball Glove 32.5" (Used)
Dmans13
2024 Catcher's Rawlings Right Hand Throw Heart of the Hide Baseball Glove 32.5" (Used)
$175
SOLD
Retail price: $299
Cincinnati Reds Pullover
woodycc
Cincinnati Reds Pullover
$65
SOLD

From the Blog

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.