WASHINGTON — Andrew Alvarez allowed one hit over five innings to become only the second Washington starter in 15 years to win his major league debut, and the Nationals beat the Miami Marlins 2-0 Monday to stop an eight-game losing streak.

A 26-year-old left-hander selected in the 12th round of the 2021 amateur draft, Alvarez allowed his only hit when Victor Mesa Jr. singled to left with one out in the fifth. He struck out four and walked two, throwing 44 of 81 pitches for strikes. Alvarez (1-0) averaged 91.8 mph with 22 fastballs and also threw 27 sliders, 21 curveballs, six sinkers and five changeups.

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