Although the Diamondbacks snapped a six-game losing streak on Tuesday night via a 2-1 come-from-behind victory over the Brewers at Chase Field, an 8-2 drubbing on Wednesday means they’ve now lost seven of eight and 10 of 13 to fall to 25-18. Particularly with the loss of A.J. Pollock to a fractured left thumb, the NL West leaders have begun to look quite vulnerable. Their offense has ground to a halt, eking out just 2.53 runs per game this month, they’ve got an increasing number of rotation concerns, and according to our Playoff Odds report, they’ve lost more ground over the past week than any other team.
The big news is the loss of Pollock, who rolled his glove hand awkwardly after coming up empty in a dive for a drive off the bat of Tyler Saladino on Monday night. Pollock suffered an avulsion fracture, meaning one that occurred where a tendon or ligament attaches to bone. Fortunately, he doesn’t need surgery. Adding insult to injury, however, Saladino was able to round the bases for an inside-the-park home run in what turned out to be a 7-2 defeat.
The shame of it is that Pollock — who, after a breakout 2015, missed most of 2016 with a fractured right elbow and a good chunk of 2017 with a groin strain — appeared to be on his way to an impressive season, hitting .293/.349/.620 with 11 homers, a 156 wRC+, and 2.3 WAR. As Craig Edwards noted just last week, the 30-year-old center fielder had benefited from a more aggressive approach and some tweaks to his swing, sacrificing some amount of contact for power. Both his slugging percentage and WAR lead the National League, while his home-run total ranks third, and his wRC+ sixth.
As Arizona Central’s Nick Piecoro pointed out, Pollock is the third Diamondback to miss significant time this season due to an injury sustained while diving for a ball, after right fielder Steven Souza Jr. and third baseman Jake Lamb. Souza suffered a right pectoral strain in late March — a spring-training game — and didn’t make his season debut until May 3. Lamb sprained the AC joint in his left shoulder while going for a foul ball on April 2 and then battled a bout of inflammation while rehabbing. He’s finally on track to return this weekend.
For as much as manager Torey Lovullo may have praised each of the injured players’ maximum effort, the losses of Souza (who posted a 120 wRC+ for Tampa Bay last year) and Lamb (111 for Arizona) have contributed to the Diamondbacks’ offensive struggles, and that of Pollock figures to as well. The team’s .220 batting average ranks dead last in the majors, their .300 on-base percentage just two points out of last, their .380 slugging percentage is 28th, and their 84 wRC+ 27th. Amid this month’s offensive drought, they’ve slipped to 13th in the league in scoring at 3.95 runs per game. Thanks to the improbably solid work of Daniel Descalso, the owner of a career 83 wRC+, the team’s third basemen have combined for a solid .242/.333/.425 (106 wRC+) line, but between Jarrod Dyson, Chris Owings, and Souza, who’s 6-for-39 since returning, the team’s right fielders have “hit” a combined .166/.236/.276 for a 37 wRC+. All three need to find their strokes, as Dyson and Owings figure to cover for Pollock’s absence. Whatever gains Owings (.202/.266/.316, 56 wRC+) and shortstop Nick Ahmed (.213/.275/.412, 82 wRC+) made early in the season via what Piecoro described as a team-wide philosophical shift to a hitting approach based upon pitch tunnels appear to have vanished.
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