How many NFL quarterbacks have won 4 or more championships?

5 appearances - John Elway (XXI, XXII, XXIV, XXXII, XXXIII)

4 appearances - Terry Bradshaw (IX, X, XIII, XIV), Joe Montana (XVI, XIX, XXIII, XXIV), Jim Kelly (XXV, XXVI, XXVII, XXVIII) Tom Brady will start his fourth Super Bowl this coming Sunday (XXXVI, XXXVIII, XXXIX, XLII)