Organized team activities (OTAs) are part of NFL teams' preseason activities as they prepare for a new season. These activities allow fans to watch rookies and some of their favorite stars in action without the pressure of an actual NFL game.This article will showcase what happens at organized team activities and why they can be crucial to building a solid NFL roster.What to expect from OTAsOrganized team activities mark a major part of NFL teams' calendars. It is the first time all franchises will be together for offseason workouts following the NFL Draft.While OTAs are voluntary, most players show up anyway. It's a chance to acclimatize with rookies, free agent signings and members of the coaching staff. Furthermore, it'll give the public the first sightings of their stars in action ahead of the upcoming NFL season.Organized team activities are the first time that members of an NFL franchise can practice on the field together with helmets. Furthermore, it begins the third phase of a franchise's offseason workout program, which lasts four weeks.Also, organized team activities give late draft picks and fringe players their first shot at proving to their franchises that they deserve to be on the playing roster for the upcoming NFL season. Superstars occasionally skip OTAs as a leverage play to get better contracts, but this is an extremely risky move for a player who lacks such a high standing on a franchise.According to the National Football League's media policy, "clubs must open to the local media at least once every three OTA days."Which teams are starting their OTAs?Different teams have different timetables for their organized team activities. Here's a look at the 2024 schedule:May 13, 2024Atlanta FalconsMay 15, 2024Washington CommandersMay 20, 2024Arizona CardinalsBaltimore RavensBuffalo BillsCarolina PanthersChicago BearsGreen Bay PackersHouston TexansJacksonville JaguarsKansas City ChiefsLas Vegas RaidersLos Angeles ChargersLos Angeles RamsMiami DolphinsMinnesota VikingsNew England PatriotsNew York GiantsNew York JetsPhiladelphia EaglesSan Francisco 49ersSeattle SeahawksTennessee TitansMay 21, 2024Cleveland BrownsDallas CowboysDenver BroncosDetroit Lions, Indianapolis ColtsNew Orleans SaintsPittsburgh SteelersTampa Bay BuccaneersMay 28, 2024Cincinnati Bengals