Ozzie Alonso
Midfielder Age: 33
Captain and the engine room for 2019's turnaround who proved himself no gamble for multiyear contract he signed last winter.
2020 outlook: Vows he'll play a 12th MLS season at 34.
Michael Boxall
Defender Age: 31
Combined with fellow vet Ike Opara to form the foundation for the team's defensive transformation.
2020 outlook: At 31, he is both foundation and future now with a new multiyear contract.
Thomas Chacon
Midfielder Age: 19
Investment in the future for a team that made itself relevant by building for now.