"Going into the last week of July, the Toronto Blue Jays bullpen had posted very good numbers over the course of the season. They had the seventh best team ERA at 3.66, with a K/9 rate of 9.88 which ranked second in the league. Their 3.57 BB/9 rate was higher than any pitching coach would like, but it sat around the league average, with the Blue Jays ranked 15th in that category."
"But numbers weren't trending in the right direction. In the month of July alone, the Blue Jays bullpen ERA was 4.93. They were giving up home runs at a 1.33 HR/9 rate, and the opponents BABIP was .329, and the only teams worse than the Blue Jays in that category were Colorado and Arizona. At the trade deadline, General Manager Ross looked to reverse those trends and shore up the bullpen by acquiring Seranthony Domniguez from Baltimore and Louis Varland from Minnesota."
"As August has rolled on the numbers haven't straightened out. In fact the walk rate has ballooned to a league worst 5.96, and the K/9 rate has come down to 9.23 and the ERA is holding at 4.50. The bullpen has been worth -0.5 fWAR this month and the Blue Jays are now running out of time to fix those issues."
Late July season metrics showed a strong Blue Jays bullpen: 3.66 ERA, 9.88 K/9 (second in MLB), 3.57 BB/9 (15th), and 45 home runs allowed (15th). Performance deteriorated in July with a 4.93 bullpen ERA, 1.33 HR/9 and opponents' BABIP of .329. Trade deadline moves brought in Seranthony Domniguez and Louis Varland to strengthen relief depth. August declines continued as walk rate ballooned to a league-worst 5.96, K/9 fell to 9.23, and ERA held at 4.50, producing -0.5 bullpen fWAR for the month and creating urgency to address relief pitching.
Read at Jays Journal
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