All-Pro running back David Johnson announces retirement from NFL after 8 seasons

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David Johnson, an All-Pro in 2016 with the Arizona Cardinals, has announced his retirement from the NFL after eight seasons in the league. 

Johnson, 32, posted to his Instagram on Sunday, expressing his wishes to move on to the next chapter of his life after football. 

"There’s been highs and lows, but I’ve felt very fortunate and honored by the people who’ve supported me along this journey," Johnson said in his retirement post. "The relationships and brotherhoods I've formed with so many of my dawgs will never be forgotten."

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David Johnson of the Arizona Cardinals carries the ball against the New York Giants, Oct. 20, 2019, at MetLife Stadium in East Rutherford, New Jersey. (Focus on Sport/Getty Images)

Johnson wasn’t a highly touted prospect coming into college, which he discussed in his lengthy post. But he put in work at Northern Iowa when he entered the NCAA, collecting more than 6,400 yards with 63 touchdowns in four seasons. 

His efforts would lead the Cardinals to draft him in the third round of the 2015 NFL Draft, though he would be a backup to speedster Chris Johnson in the backfield. 

However, he got his shot when the elder Johnson suffered an injury. David Johnson exploded for 120 total yards and a touchdown in his first career start, and he would follow that up two weeks later with 187 rushing yards and three touchdowns against the Philadelphia Eagles.

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"2 games in, getting my uniform and cleats put in the Pro Football Hall of Fame in Canton," Johnson wrote.

In 2016, Johnson cemented