Per a "Red Sox" press release1. Left Field 1934 Seating Bowl Concrete Repair, Waterproofing and New Seats The concrete in the Lower Left Field Seating Bowl, originally constructed in 1933-34, has been repaired and waterproofed. As part of this project, the Dugout Seats, and Field Box Seats have been replaced with new seats that now contain cup-holders and cushioned seats to pad your