round of the AFL playoffs before losing to the Chiefs. In the 1970 regular season, the first year of the NFL-AFL merger, Oakland scored 300 points (21.4 points/game), ranking ninth in the 26-team NFL, and beat the Miami Dolphins in the AFC playoffs before losing to the Colts. The Raiders missed the playoffs for the first time in five years in 1971, despite scoring 344 points (24.6 points/game), second highest in the NFL. The Raiders came back stronger in 1972, scoring 365 points (26.1 points/game), ranking third in the NFL, but lost 13–7 to the Pittsburgh Steelers in the divisional round of the AFC playoffs, the famous Immaculate Reception game, in which Otto also made the only pass reception of his professional career. In the 1973 regular season, Oakland scored 292 points (20.9 points/game), tenth in the NFL, and avenged their defeat to the Steelers but lost to the Dolphins. In Otto's final year, 1974, Oakland scored 355 points (25.4 points/game), leading the NFL, and avenged their playoff loss to the Dolphins but lost to the Steelers again. In 1975, he was replaced by Dave Dalby, in his fourth season out of UCLA. Otto was the last member of the Oakland Raiders inaugural team from 1960 to retire. Otto was one of only twenty players to play for the entire ten-year existence of the American Football League, and one of only three players to play in all of his team's AFL games. Otto was also selected as The Sporting News All-League center from 1960 through 1969. He was an All-Star in the first 13 of his 15 seasons – every year in the AFL from 1960 through 1969 and three of his five seasons in the NFL. He was also named the starting center on the AFL All-Time Team. He was elected to the Pro Football Hall of Fame in 1980, the first year he was eligible. In 1999, he was ranked number 78 on The Sporting News''' list of the 100 Greatest Football Players. In 2019, he was revealed as being selected to the National Football League 100th Anniversary All-Time Team. Injuries and operations Otto's body was punished greatly during his NFL career, resulting in nearly 74 operations, including 28 on his knee (nine of them during his playing career) and multiple joint replacements. His joints became riddled with arthritis, and he developed debilitating back and neck problems. In