![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://www.piratesprospects.com/wp-content/uploads/2023/04/DH3_1487-scaled.jpg)
Ugly Play by Pirates Leads to 8-3 Loss on Sunday to the Diamondbacks - Pirates Prospects
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://www.usatoday.com/gcdn/presto/2023/05/28/USAT/4d57ce4a-3785-4ad0-b8a6-d23d78bde8dc-USATSI_20531159.jpg?crop=2334,1313,x0,y4)
MLB's surprise teams and players at Memorial Day weekend
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://www.dkpittsburghsports.com/img/Pirates/palacios%20watches%20home%20run-1600x900.jpg)
Foreign territory for me': Why Derek Shelton cut Mitch Keller's afternoon short
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://a.espncdn.com/photo/2023/0919/mlb_power25_cr_16x9.jpg)
MLB Power Rankings Week 25: Wild-card teams locked in battle - ESPN
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://assets-varnish.triblive.com/2023/05/6218494_web1_ptr-BucsDbacks11-052123.jpg)
Pirates bullpen lets down Mitch Keller in loss to Diamondbacks
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://cdn.mlbtraderumors.com/files/2023/07/David_Bednar_Pirates-1024x758.jpg)
Pirates Willing To Listen To Trade Offers On David Bednar, Mitch Keller - MLB Trade Rumors
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://9b16f79ca967fd0708d1-2713572fef44aa49ec323e813b06d2d9.ssl.cf2.rackcdn.com/1140x_a10-7_cTC/AP23140768798263-1684623182.jpg)
Several mistakes, missed opportunities pile up for Pirates in frustrating loss to Diamondbacks
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://i.ytimg.com/vi/PyPXorUt8-I/maxresdefault.jpg)
Dejan Kovacevic: Soon, the Pirates' management will have no choice but to play for now
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://9b16f79ca967fd0708d1-2713572fef44aa49ec323e813b06d2d9.ssl.cf2.rackcdn.com/300x_a1-1_cTC/Toronto-Blue-Jays-v-Pittsburgh-Pirates-5-1684419152.jpg)
Several mistakes, missed opportunities pile up for Pirates in frustrating loss to Diamondbacks
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://a.espncdn.com/photo/2023/0611/r1185337_1296x729_16-9.jpg)
Wanted to do it here in Pittsburgh': McCutchen gets 2,000th hit - ESPN
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://img.mlbstatic.com/mlb-images/image/upload/t_16x9/t_w1024/mlb/tsxoyvxu4ejcltt7nt6e)
Mitch Keller shines, Pirates take series from Dodgers
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://lastwordonsports.com/baseball/wp-content/uploads/sites/7/2023/04/USATSI_20359924_168400534_lowres-scaled.jpg)
Bucco Blasts from Opening Weekend - Last Word On Baseball
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://img.mlbstatic.com/mlb-images/image/upload/ar_16:9,g_auto,q_auto:good,w_1024,c_fill,f_jpg,dpr_3.0/mlb/vkvhguxccbblfmfe2vt0)
Mitch Keller strong in Pirates' loss to D-backs
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://i.ytimg.com/vi/jhqGrvSpu2Y/maxresdefault.jpg)
Mitch Keller Throws Complete Game Shutout in Win Pirates vs. Rockies Highlights (5/8/23)
![Pirates bullpen lets down Mitch Keller in loss to Diamondbacks](https://9b16f79ca967fd0708d1-2713572fef44aa49ec323e813b06d2d9.ssl.cf2.rackcdn.com/300x_a1-1_cTC/Pirates-Diamondbacks-Baseball-38-1689257151.jpg)
Pirates waste tremendous Mitch Keller start, fall in extras for fourth consecutive loss