He gave the performance of the championships at the 2016 CARIFTA Games, a meet record of 78.28 m (256 ft 9 in), and was awarded the Austin Sealy Trophy.

[7] At the 2017 edition of the Whitsuntide games at the Kirani James Athletic Stadium, Anderson improved his personal best distance in the Javelin Throw three times.

At the 3rd OECS Track And Field Championships held at the Kirani James Athletic Stadium, Anderson further lifted his personal best with a throw of 84.81m.

On 23 March during his second outdoor competition of 2018 Anderson registered an 81.95m throw shattering Mississippi State's freshman record in the javelin by more than six meters.

[13] At the World Athletics Championships 2022, Peters successfully defended his world title, beating the Olympic gold medalist Neeraj Chopra with three throws over 90 m. He won a silver medal for Grenada at the 2022 Commonwealth Games with a throw of 88.64 m.[14] On 13 August 2022, Anderson got severely injured after being beaten by five crew members of a party boat.