8:35 pm: Manager Torey Lovullo says that Gurriel’s hamstring injury is minor, according to Nick Piecoro of the Arizona Republic. The hope is he’ll be back from the IL as soon as he’s eligible.

5:59 pm: The Diamondbacks are placing Lourdes Gurriel Jr. on the 10-day injured list with a strained left hamstring, as reported by Alex Weiner of Arizona Sports. The club is also selecting the contract of prospect Tommy Troy. Arizona’s 40-man roster was at 39, so no corresponding move is needed for Troy.

Gurriel, 32, is in the midst of his worst big-league season. He had a delayed start while finishing his recovery from right ACL surgery. Since debuting on April 18th, Gurriel has a line of .228/.284/.304 with a single home run. That’s good for just a 66 wRC+, indicating Gurriel is 34% worse than the average hitter. Granted, he’s only made 102 plate appearances, but Gurriel showed diminished offense last year as well. He had a 95 wRC+ in 129 games while posting an 87.8 MPH average exit velocity, down from 88.4 MPH in 2024. This year, Gurriel’s exit velo is sitting at 87.5 MPH.

Arizona has a 99 wRC+ as a team, which speaks to its top-heavy offense. Corbin Carroll (161 wRC+), Ildemaro Vargas (136), and Nolan Arenado (132) are all hitting very well. Geraldo Perdomo and Ketel Marte are right around league average. In contrast, Gurriel has been one of the team’s worst regulars this year, and since he’s not a good defender, he’s not doing enough to make up for the lack of hitting. Gurriel’s return timeline depends on the severity of the hamstring strain, which could be made clearer in the coming days.

In the meantime, Arizona’s offense could be jolted by Troy, who will be making his major league debut when he gets into a game. Troy was the club’s first-round draft pick in 2023 and rates as their No. 4 prospect according to MLB.com. He reached Triple-A last year at the age of 23 and held his own, batting .295/.381/.429 in 182 plate appearances. Troy has improved to .307/.397/.449 in 205 plate appearances this year, good for a 109 wRC+. His strikeout rate has jumped back to 24.4% after sitting at 16.9% in 2025, but otherwise, there’s plenty to like in Troy’s profile.

Troy came up as a middle infielder but has played 219 innings in the outfield this year, compared to 162 at the keystone. That shift is a testament to Troy’s speed, which is seen as his best tool and allowed him to steal 40 bases from 2024-25. The presence of Perdomo and Marte on the big league roster blocks Troy from his natural positions, so his long-term future with Arizona could be in the outfield. Indeed, this promotion could be seen as a trial run of Troy’s outfield defense while Gurriel is on the IL.

Whether Troy sticks in the Majors this time around also depends on his hitting. Despite Gurriel’s poor performance this year, he has enough of a track record as an average hitter to slide back into left when he returns. Tim Tawa and Jorge Barrosa are both on the roster as backup outfielders, though neither has shown much with the bat in the Majors. That said, Barrosa is out of options whereas Tawa has two option years remaining. If Troy hits enough to stick around, he has the defensive experience to serve as a utility man, with Tawa potentially being optioned in his place.

Photo courtesy of Isaiah J. Downing, Imagn Images