Recently Added

In-line Speed Skates Size 8
Booka_mac
In-line Speed Skates Size 8
$100
Retail price: $185
New Bauer Vapor Hyperlite 2 Hockey Skates Regular Width Pro Stock 8.5
Ig95
New Bauer Vapor Hyperlite 2 Hockey Skates Regular Width Pro Stock 8.5
$849$99915%
15% OFF
DeMarini Spryte Composite Bat (-12) 17 oz 29" (Used)
Joelvaughn35
DeMarini Spryte Composite Bat (-12) 17 oz 29" (Used)
$100
Approach Sportz Sweet Stuff Batting Gloves (New)
aoxendine28
Approach Sportz Sweet Stuff Batting Gloves (New)
$68
Retail price: $68
2022 Louisville Slugger LXT
Joelvaughn35
2022 Louisville Slugger LXT
$150
Lightning XL Senior CCM HP45 Hockey Pants (Used)
HkysupplyDirect
Lightning XL Senior CCM HP45 Hockey Pants (Used)
$125
Warrior Lightning Pro stock Bogosian Gloves 14" (New)
HkysupplyDirect
Warrior Lightning Pro stock Bogosian Gloves 14" (New)
$175
Men's Size M 9.0 (W 10.0) Nike Low Top Vapor talon elite Molded Cleats (Used)
Ruseel
Men's Size M 9.0 (W 10.0) Nike Low Top Vapor talon elite Molded Cleats (Used)
$51$6015%
15% OFF
Retail price: $100
Like New - Senior CCM Jetspeed FT7 Pro - Left - P29 - 70 Flex (Blue Color Option)
NJHockey98
Like New - Senior CCM Jetspeed FT7 Pro - Left - P29 - 70 Flex (Blue Color Option)
$195
Retail price: $370
Cirelli Warrior 14" (New) Covert Pro Gloves
HkysupplyDirect
Cirelli Warrior 14" (New) Covert Pro Gloves
$175
Stamkos Bauer Supreme Mach Gloves 14" (New)
HkysupplyDirect
Stamkos Bauer Supreme Mach Gloves 14" (New)
$225
Ping G10 Black Dot Pitching Wedge (PW) Regular AWT Steel Shaft (35.75)
blakesgolfshop
Ping G10 Black Dot Pitching Wedge (PW) Regular AWT Steel Shaft (35.75)
$79
Callaway AI smoke driver Headcover
VA26
Callaway AI smoke driver Headcover
$15
Lightning Reverse Retro XL Senior Bauer Custom Pro Hockey Pants (New)
HkysupplyDirect
Lightning Reverse Retro XL Senior Bauer Custom Pro Hockey Pants (New)
$328
Men's Size M 8.0 (W 9.0) Under Armour Mid Top Spotlight MC Molded Cleats (Used)
Ruseel
Men's Size M 8.0 (W 9.0) Under Armour Mid Top Spotlight MC Molded Cleats (Used)
$20
Retail price: $55
Pro Stock New Large Warrior Covert Girdle
EQMvaultSideline Pro+
Pro Stock New Large Warrior Covert Girdle
$106$12515%
15% OFF
NEW Wilson A2000 1785 11.75" Exclusive Limited Edition Baseball Glove RHT
BoomStickSideline Pro
NEW Wilson A2000 1785 11.75" Exclusive Limited Edition Baseball Glove RHT
$250
2025 44 Youth Pro Infield Signature Series Baseball Glove 11.5" (New)
zevangelho
2025 44 Youth Pro Infield Signature Series Baseball Glove 11.5" (New)
$199
Retail price: $250
Titleist Vokey Design Spin Milled 64* Lob Wedge (LW) Steel Shaft (34.75)
blakesgolfshop
Titleist Vokey Design Spin Milled 64* Lob Wedge (LW) Steel Shaft (34.75)
$87
Under Armour Baseball Cleats Size 8 Blue Yard Low Metal Spikes Athletic New
EEstel48
Under Armour Baseball Cleats Size 8 Blue Yard Low Metal Spikes Athletic New
$34

Price Drops

Polo Ralph Lauren Golf Shirt- M
SwapVault
Polo Ralph Lauren Golf Shirt- M
$24$3428%
15% OFF
PowerBilt Blade Right Handed Putter (Used)
SabreTooth89
PowerBilt Blade Right Handed Putter (Used)
$93$10410%
22% PRICE DROP
Brine Stallion Lacrosse Gloves Small (Used)
Ruseel
Brine Stallion Lacrosse Gloves Small (Used)
$21$3029%
15% OFF
Retail price: $50
Gray Men's Adult Medium/Large Nike Game Pants (Used)
Ruseel
Gray Men's Adult Medium/Large Nike Game Pants (Used)
$26$4543%
15% OFF
2022 DeMarini Voodoo Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
AAlex344
2022 DeMarini Voodoo Alloy BBCOR Certified Bat (-3) 30 oz 33" (Used)
$80$10020%
20% PRICE DROP
Retail price: $300
35" 2022 True L20.2 Regular Goalie Full Set Pro Stock (Used)
RyanHedrick2
35" 2022 True L20.2 Regular Goalie Full Set Pro Stock (Used)
$810$90010%
10% PRICE DROP
Retail price: $3,800
2023 Rawlings Icon Composite BBCOR Certified Bat (-3) 29 oz 32" (Used)
mattdecesaro
2023 Rawlings Icon Composite BBCOR Certified Bat (-3) 29 oz 32" (Used)
$147$18922%
25% PRICE DROP
Retail price: $350
Teen Baseball Gear
Ivan11130
Teen Baseball Gear
$125$35064%
64% PRICE DROP
Retail price: $200
Under armor dri fit long sleeve youth shirts tech
Hockey1131
Under armor dri fit long sleeve youth shirts tech
$180$20010%
10% PRICE DROP
Retail price: $460
Pelz Golf Putting Track Training Aid
hhiclubs
Pelz Golf Putting Track Training Aid
$19$2214%
58% PRICE DROP
Labeda Gripper Dynasty Wheels 72mm (8) Red
GreatLakeSportsSideline Pro+
Labeda Gripper Dynasty Wheels 72mm (8) Red
$16$2227%
15% OFF
Senior Small Bauer Vapor XXXX Shoulder Pads (Used)
SportsDude77
Senior Small Bauer Vapor XXXX Shoulder Pads (Used)
$36$4010%
45% PRICE DROP
Pugg 6ft Soccer Pop Up Net
GreatLakeSportsSideline Pro+
Pugg 6ft Soccer Pop Up Net
$16$2227%
15% OFF
Retail price: $65
Medium Senior Tackla Force 851 Hockey Pants (Used)
nakalax
Medium Senior Tackla Force 851 Hockey Pants (Used)
$34$3810%
10% PRICE DROP
Retail price: $110
Cranbarry Field Hockey Stick 30" (Used)
mrslugger20
Cranbarry Field Hockey Stick 30" (Used)
$14$1613%
30% PRICE DROP
Youth STX Myth Stick (Used)
mrslugger20
Youth STX Myth Stick (Used)
$20$2313%
20% PRICE DROP
Youth STX Crux 300 Stick (Used)
mrslugger20
Youth STX Crux 300 Stick (Used)
$27$3113%
-8% PRICE DROP
Marucci 29" AM22 Maple Wood Bat (Used)
mrslugger20
Marucci 29" AM22 Maple Wood Bat (Used)
$32$3611%
29% PRICE DROP
Retail price: $99
Louisville Slugger 28" Ash Youth Bat (Used)
mrslugger20
Louisville Slugger 28" Ash Youth Bat (Used)
$18$2010%
28% PRICE DROP
Retail price: $40
Warrior Mac-D Lite 2 Lacrosse Gloves 13" (Used)
Brycen26
Warrior Mac-D Lite 2 Lacrosse Gloves 13" (Used)
$135$15010%
10% PRICE DROP
Retail price: $225

Recently Sold

New Bauer Supreme M1 Hockey Skates - Senior Size 9.5 NIB
vjetms83
New Bauer Supreme M1 Hockey Skates - Senior Size 9.5 NIB
$85$10015%
SOLD
2023 Bauer Vapor X5 Pro Regular Width Size 3 (Used)
Krisnknutson
2023 Bauer Vapor X5 Pro Regular Width Size 3 (Used)
$200
SOLD
Men's 2025 Nordica 185cm ENFORCER 104 Skis With Marker Griffon Bindings (Used) (25DS26)
SkiYardSideline Pro+
Men's 2025 Nordica 185cm ENFORCER 104 Skis With Marker Griffon Bindings (Used) (25DS26)
$425$50015%
SOLD
Bauer Vapor X2.9 Hockey Skates 11.5 (Used)
gavintuomi
Bauer Vapor X2.9 Hockey Skates 11.5 (Used)
$69
SOLD
Maverik Apollo Shaft
Tomgress1
Maverik Apollo Shaft
$35
SOLD
CCM Eflex Pro Goalie Skate, Extra Steel, Size 8 - Like New
hockeymom3288
CCM Eflex Pro Goalie Skate, Extra Steel, Size 8 - Like New
$425
SOLD
Large CCM Pro Spec Goalie Chest Protector (Used)
Bidini27
Large CCM Pro Spec Goalie Chest Protector (Used)
$450
SOLD
Retail price: $799
CCM Navy F9 Senior Large Goal Pants
Hops4
CCM Navy F9 Senior Large Goal Pants
$179
SOLD
Retail price: $299
33+2" CCM Premier II Pro Regular Goalie Full Set (Used)
GMoney81
33+2" CCM Premier II Pro Regular Goalie Full Set (Used)
$999
SOLD
Retail price: $4,500
Medium CCM Tacks 7092 Girdle (New)
Stephen_Hyland
Medium CCM Tacks 7092 Girdle (New)
$90
SOLD
White Adult Wilson A950 Right Hand Throw Baseball Glove 12.5" (Used)
ReQuipSideline Pro+
White Adult Wilson A950 Right Hand Throw Baseball Glove 12.5" (Used)
$55
SOLD
Retail price: $110
2022 Rawlings RH Outfield Mark of a Pro Baseball Glove 12" (Used)
Jamesmclaen
2022 Rawlings RH Outfield Mark of a Pro Baseball Glove 12" (Used)
$35
SOLD
Retail price: $65
Gray Large Men's Under Armour Shirt (Used)
Laxgear77
Gray Large Men's Under Armour Shirt (Used)
$20
SOLD
Bauer Vapor 3X Pro Gloves 13" Pro Stock (New)
smoothielover22
Bauer Vapor 3X Pro Gloves 13" Pro Stock (New)
$100
SOLD
NWOT Nike Air Zoom Victory Tour 2
GregSki98
NWOT Nike Air Zoom Victory Tour 2
$39
SOLD
Retail price: $180
2022 Catcher's Rawlings Right Hand Throw Player Preferred Baseball Glove 33" (New)
parkviewblue1
2022 Catcher's Rawlings Right Hand Throw Player Preferred Baseball Glove 33" (New)
$68
SOLD
Retail price: $150
Mizuno Right Hand Throw Catcher's pro scoop Baseball Glove 34" (Used)
RyanWebber
Mizuno Right Hand Throw Catcher's pro scoop Baseball Glove 34" (Used)
$50
SOLD
Catcher's Rawlings Right Hand Throw LiTe Toe Baseball Glove 32.5" (Used)
hockey125
Catcher's Rawlings Right Hand Throw LiTe Toe Baseball Glove 32.5" (Used)
$50
SOLD
Catcher's Mizuno Right Hand Throw Samurai Baseball Glove 33" (Used)
Mango58
Catcher's Mizuno Right Hand Throw Samurai Baseball Glove 33" (Used)
$70
SOLD
Retail price: $100
Medium Senior CCM PP90 Pant Shell (Used)
ReQuipSideline Pro+
Medium Senior CCM PP90 Pant Shell (Used)
$42
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.