The Cubs added bullpen depth on Friday, agreeing to terms on a one-year contract with left-hander Dario Alvarez.
The club did not announce the terms of the deal.
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Alvarez has pitched parts of four big league seasons, including 20 relief appearances for the Rangers in 2017, when he split his time between Triple-A and the Majors. The 28-year-old had a 2.76 ERA in 16 1/3 innings, with 14 walks and 17 strikeouts. He collected a pair of wins and three holds.
Alvarez has also pitched for the Mets and Rangers, debuting with New York in 2014. He has a 5.06 career ERA, 22 walks and 61 strikeouts in 48 innings, all in relief.