Determining which quarterback possesses the absolute fastest throwing velocity involves evaluating official combine measurements, specialized radar gun testing, and game-tape analysis from elite arms across professional football history. Historically, quarterbacks like Brett Favre and Colin Kaepernick were legendary for their sheer arm strength, with velocity measurements frequently approaching or exceeding 60 miles per hour during pre-draft evaluations and on-field action. Similarly, elite modern arms like Josh Allen and Patrick Mahomes generate blistering downfield velocity, allowing them to zip passes through tight windows into heavy coverage with effortless mechanics. Tom Brady was also officially clocked at approximately 61 miles per hour during his early career evaluations, proving that precision and velocity often go hand-in-hand among elite performers. While several players share peak velocity metrics in the 60 to 62 miles per hour range, the combination of raw physical torque and tight spiral rotation places arms like Josh Allen and Colin Kaepernick at the forefront of throwing speed discussions.