Polymarket $20 invite code “OREGON” available for Mariners-Twins, MLB Friday
For Friday, July 31, 2026, Polymarket invite code OREGON is available for a full MLB schedule headlined by the Mariners hosting the Twins in Seattle. The matchup arrives with the MLB trade deadline looming and Seattle trailing the AL West lead by 2.5 games, adding urgency as the club weighs potential roster moves and tries to gain ground in the division race. Eligible new users can register with OREGON, deposit at least $10 and receive $20 in bonus funds , creating a $30 starting balance for exploring Mariners vs. Twins and the rest of Friday’s available MLB markets. The verified code is open to qualifying first-time U.S. users, including readers in Oregon and across the Pacific Northwest, for eligible game-winner, run-line, total and other active baseball contracts.