Determining the Greatest of All Time (G.O.A.T) in the NFL is a subject of much debate among fans, players, and analysts. However, there are several players who are considered to be among the top contenders for this title based on their performance and achievements.

1. Tom Brady - Widely regarded as the G.O.A.T by many, Brady has won seven Super Bowl titles, five Super Bowl MVP awards, and has set numerous NFL records. He has been named to the Pro Bowl 14 times, and he holds the record for most career touchdown passes and most career passing yards.

2. Jerry Rice - Rice is widely considered to be the greatest wide receiver of all time, and his records speak for themselves. He has over 22,000 receiving yards and 208 touchdowns in his career. He also holds the record for most receptions in a career with 1,549.

3. Joe Montana - Montana is widely considered to be one of the greatest quarterbacks of all time. He won four Super Bowl titles with the San Francisco 49ers and was named the Super Bowl MVP three times. He was also named to the Pro Bowl eight times and won two NFL MVP awards.

4. Walter Payton - Payton, also known as "Sweetness," is considered to be one of the greatest running backs in NFL history. He rushed for over 16,000 yards and scored 110 touchdowns in his career. He was named to the Pro Bowl nine times and won the NFL MVP award in 1977.

5. Jim Brown - Brown played in the 1950s and 1960s and is widely regarded as one of the greatest running backs in NFL history. He led the league in rushing eight times and won three NFL MVP awards. He retired as the NFL's all-time leading rusher with 12,312 yards and 106 touchdowns.

Ultimately, the title of G.O.A.T in the NFL is a matter of personal opinion and depends on various factors such as career longevity, individual achievements, and impact on the game.