DJ LeMahieu‘s immediate baseball future remains in limbo as he awaits further diagnosis on his injured left thumb. Related Articles Rockies Mailbag: Looking forward at Nolan Arenado, hands-on owner Dick Monfort, bullpen woes and more

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LeMahieu told The Denver Post on Wednesday that he was scheduled to see a hand specialist later in the day. The initial diagnosis was a sprained left thumb, but the Rockies are concerned that injury could be more severe. LeMahieu is currently on the 10-day disabled list.

“What we want to rule out is any sort of fracture or break,” manager Bud Black said Tuesday. “The degree of the sprain is concerning us. If it’s mild or a low-degree sprain, we’re in good shape and he could be back when his time’s up in 10 days. If it’s more significant, or if it’s a bone involved, that’s when it’s more concerning.”

The all-star second baseman and 2016 National League batting champion, initially hurt the thumb during his third at-bat against the Milwaukee Brewers on Sunday, and since then the thumb t has been “sore, swollen and painful,” according to Black.

Tuesday evening, LeMahieu said, “I haven’t even gotten there,” in terms of gripping and swinging a bat.

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Looking ahead

Rockies RHP Chad Bettis (4-1, 3.12 ERA) at Giants RHP Jeff Samardzija (1-2, 6.62), 8:15 p.m. Thursday; ATTRM, 850 AM

It was one year ago Wednesday that Bettis was declared cancer free after his battle with testicular cancer. He’s been Colorado’s most consistent pitcher this season, utilizing excellent fastball command and a changeup that is the best on the staff. Bettis, however, did not pitch well in his last start Friday against the Brewers at Coors Field, allowing seven runs on 10 hits over five innings. Samardzija, as his ERA indicates, is not pitching well. He didn’t factor into the decision in San Francisco’s loss to Pittsburgh on Saturday, allowing five runs on six hits and two walks over 5 ⅔ innings while striking out five. Samardzija served up homers to Gregory Polanco and Francisco Cervelli, the second consecutive start in which Samardzija gave up two homers. Rockies first baseman Ian Desmond, mired in a deep slump, has hit Samardzija well, batting 10-for-24 (.417) with two homers.

Friday: Rockies LHP Kyle Freeland (3-4, 3.42) at Giants LHP Derek Holland (1-4, 4.95), 8:15 p.m., ATTRM

Saturday: Rockies RHP Jon Gray (4-5, 4.85) at Giants RHP Chris Stratton (3-3, 4.60), 2:05 p.m. ATTRM

Sunday: Rockies LHP Tyler Anderson (3-1, 4.30) at Giants LHP Ty Blach (3-4, 4.20), 2:05 p.m. ATTRM