<P> From 1947 through 1958 the first selection was awarded by a random draw . The team which received this "bonus" pick forfeited its selection in the final round of the draft . The winner of the "bonus pick" was eliminated from the draw in future years . By 1958 all twelve clubs in the league at the time had received a bonus choice and the system was abolished . </P> <P> Before the merger agreements in 1966, the American Football League (AFL) operated in direct competition with the NFL and held a separate draft . This led to a massive bidding war over top prospects between the two leagues, along with the subsequent drafting of the same player in each draft . As part of the merger agreement on June 8, 1966, the two leagues held a multiple round "Common Draft". Once the AFL officially merged with the NFL in 1970, the "Common Draft" simply became the NFL Draft . </P> <P> Through the 2018 NFL draft, 83 players have been selected first overall, with the most recent being Baker Mayfield . The Indianapolis Colts--formerly the Baltimore Colts--have made the most first overall selections in history with seven . Of the first overall draft picks, 43 have been selected to a Pro Bowl and of those 43, twelve have been inducted into the Pro Football Hall of Fame . While the Heisman Trophy is awarded annually to the most outstanding player in U.S. college football, only 21 of those Heisman winners have been selected first overall in the NFL draft . Only five first overall draft pick players have been selected the NFL Rookie of the Year: Earl Campbell (1978); Billy Sims (1980); George Rogers (1981); Sam Bradford (2010); and Cam Newton (2011). </P> <Table> <Tr> <Td> </Td> <Td> Back </Td> <Td> </Td> <Td> Kicker </Td> <Td> NT </Td> <Td> Nose tackle </Td> </Tr> <Tr> <Td> </Td> <Td> Center </Td> <Td> LB </Td> <Td> Linebacker </Td> <Td> FB </Td> <Td> Fullback </Td> </Tr> <Tr> <Td> DB </Td> <Td> Defensive back </Td> <Td> </Td> <Td> Punter </Td> <Td> HB </Td> <Td> Halfback </Td> </Tr> <Tr> <Td> DE </Td> <Td> Defensive end </Td> <Td> QB </Td> <Td> Quarterback </Td> <Td> WR </Td> <Td> Wide receiver </Td> </Tr> <Tr> <Td> DT </Td> <Td> Defensive tackle </Td> <Td> RB </Td> <Td> Running back </Td> <Td> </Td> <Td> Guard </Td> </Tr> <Tr> <Td> </Td> <Td> End </Td> <Td> </Td> <Td> Offensive tackle </Td> <Td> TE </Td> <Td> Tight end </Td> </Tr> </Table>

Who has the most first round draft picks nfl