The Dolphins sent tackle Laremy Tunsil and receiver Kenny Stills to the Texans in a deal completed Sunday. That deal included two other players and draft picks, among them first-round selections in 2020 and 2021 going to Miami.
Alonso started all but two games for the Dolphins in 2016-18 and made 125 tackles last year. Biegel, a third-year pro, played in 14 games as a reserve for the Saints in 2018.
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