The San Diego Padres have made a roster move, shaking up their pitching staff as they aim to stay competitive in the National League West. On Friday, the team recalled right-hander Alek Jacob from Triple-A El Paso and placed fellow righty Matt Waldron on the 15-day injured list due to a right upper arm injury—specifically to the brachialis muscle, located just below the biceps.

Waldron's recent struggles came to a head during Tuesday's 6-4 loss to the Milwaukee Brewers, where he allowed six runs on eight hits over just 2 2/3 innings. That outing pushed his season record to 1-2 and ballooned his ERA to 8.49 across six appearances, three of which were starts. It's a tough break for the 27-year-old, who had shown flashes of promise earlier in the season but has been battling inconsistency.

Stepping in is Alek Jacob, who's getting his second call-up to the big leagues this year. The 26-year-old has already made a strong impression in his limited time with San Diego, tossing two scoreless innings in his sole appearance this season. Known for his deceptive delivery and ability to induce weak contact, Jacob could provide a much-needed spark out of the bullpen as the Padres navigate a grueling stretch of games.

Adding to the intrigue, the Padres are expected to debut veteran right-hander Lucas Giolito this weekend. Giolito, who signed a one-year deal worth just under $2.8 million in April, has been building up his arm with four minor league starts. With Waldron sidelined, Giolito's arrival couldn't come at a better time—he brings a wealth of experience and a track record of dominance that could stabilize a rotation in flux.

For Padres fans, this shake-up is a reminder of the constant adjustments teams must make over a long season. Keep an eye on Jacob's command and Giolito's debut—both could be key pieces as San Diego looks to climb the standings.