Puk hasn't allowed an earned run and has posted an 11:3 K:BB over the 10.1 innings covering his last six appearances with Triple-A Las Vegas, The one asterisk attached to that sample is noteworthy -- Puk actually yielded five runs July 3 against Sacramento, but none were earned. His other five appearances during that span have been completely scoreless, and with just a trio of free passes, the big left-hander at least seems to have gotten a temporary grip on his control problems. However, given he still carries a 7.31 ERA and 1.85 WHIP across 28.1 innings with the Aviators, it appears likely the A's will need to see a more extended stretch of effective pitching before considering a promotion.
Puk has pitched to a 1-2 record, 10.38 ERA and 1.92 WHIP across the 13 innings covering his eight appearances with Triple-A Las Vegas since being optioned May 28. Puk opened the season at the major-league level but made just one 3.1-inning appearance before suffering a biceps injury that kept him on the shelf for nearly two months. The big left-hander has given up multiple earned runs in six consecutive appearances with the Aviators, and he's forged a massive 5.5 BB/9 and 4.2 HR/9 over the entirety of his current stint in Las Vegas. With control such an obviously prevalent issue for Puk at the moment, it appears he has virtually no path for a promotion back to the Athletics at any point in the foreseeable future.
Puk (biceps) was activated off the injured list and optioned to Triple-A Las Vegas on Friday. Puk made just a single relief appearance this season before hitting the injured list in early April with a strained left biceps. He's made five rehab appearances for Las Vegas but hasn't been close to convincing, allowing eight runs in five innings of work while giving up three homers. He'll continue to try to sort himself out as a regular member of Las Vegas' roster for now, but his upside remains high if he can stay healthy and rediscover his stuff.
Puk (biceps) allowed four earned runs on four hits over 1.1 innings while also recording four strikeouts in Triple-A Las Vegas' loss to Salt Lake on Tuesday. Puk allowed a two-run home run to Brennon Lund in the sixth inning and then opened the seventh by putting a pair of runners on that eventually came around to score after the left-hander had exited. Puk has now allowed seven runs over two innings covering his last two rehab appearances, although his four strikeouts Tuesday were a bright spot. It appears likely Puk will make at least one more appearance for the Aviators in an attempt to have him return to the majors with some momentum.
Puk (biceps) is scheduled to make another rehab appearance for Triple-A Las Vegas on Tuesday, Athletics manager Bob Melvin confirmed to Jim Duquette of MLB Network Radio on SiriusXM Monday. There was a possibility the Athletics had seen enough from Puk over four appearances with the Aviators to deem him ready for activation, but after the left-hander gave up some hard contact in a rough outing Saturday versus Salt Lake, it appears the team wants to see if he can bounce back. Puk hasn't worked more than a single frame in any of his outings with Las Vegas, although he did throw 20 pitches in just two-thirds of an inning Saturday due to his struggles.
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