Guerra is out of minor-league options, Steve Gilbert of MLB.com reports. Guerra came over to Arizona during the offseason after pitching well out of the Brewers bullpen in 2019. The 35-year-old seems an unlikely candidate to end up in the minors, but if the Diamondbacks want to go that way, they will need to expose Guerra to waivers. He pitched 5.2 scoreless Cactus League innings, giving up one hit and two walks while striking out four.
Guerra agreed Sunday with the Diamondbacks on a one-year contract that includes a club option for 2021, Ken Rosenthal of The Athletic reports. Guerra has 60 games of MLB starting experience under his belt, but the Diamondbacks will presumably keep him in a bullpen role after he worked exclusively for Milwaukee in that capacity in 2019 and performed effectively. Despite posting a 3.55 ERA, 1.12 WHIP and 77:36 K:BB in 83.2 innings, Guerra was still non-tendered by Milwaukee earlier this month, but his deal with Arizona will likely keep him somewhere in the neighborhood of the $3.5 million he would have earned in arbitration. As Rosenthal notes, the Diamondbacks will still maintain control of Guerra for three seasons, even though the terms of his contract only pertain to 2020 and 2021.
Guerra was non-tendered by the Brewers on Monday. Guerra has been one of the more reliable arms out of Milwaukee's bullpen over the last two seasons, but he'll head to free agency following Monday's roster moves. He posted a 3.55 ERA with a 77:36 K:BB over 83.2 innings a season ago.
Guerra picked up his ninth win of the season in Tuesday's victory over the Marlins. Guerra threw a clean seventh inning before allowing the Marlins to tie the game in the eighth on a solo home run by Starlin Castro, but he was able to avoid any further damage and notch the win when the Brewers scored a run of their own in the ninth. Guerra allowed an earned run in three of his last four outings, but he has been stellar since the All-Star break, going 6-3 with a 3.00 ERA, 0.93 WHIP, and 29:13 K:BB in 30 innings over 27 relief appearances.
Guerra retired the lone hitter he faced in Wednesday's 5-3 rain-shortened win over the Cardinals to secure his third save of the season. Manager Craig Counsell didn't actually tab Guerra for the save chance, as closer Josh Hader was preparing to warm up for the ninth before Mother Nature intervened and resulted in the game being called midway through the eighth inning. Incredibly, Guerra has now recorded either a hold or save or factored into the decision in each of his last 11 relief appearances, racking up four wins during that span.
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