Manager Terry Francona said Tuesday that Candelario alerted the Reds about a lower back issue, and the team is having it looked at, Charlie Goldsmith of the Dayton Daily News reports.

Francona had already said earlier in the day that Candelario's role was going to be reduced, but the back issue could help explain the veteran infielder's early-season struggles at the plate. Through 91 plate appearances, Candelario is slashing .113/.198/.213 with four extra-base hits, 10 RBI and a 9:29 BB:K. Consider the 31-year-old day-to-day for now.

DeJong isn't expected to return from the 10-day injured list for at least two months after undergoing surgery Monday to repair his nose and sinuses, Bob Nightengale of USA Today reports. He also had a titanium orbital plate inserted as part of the procedure.

DeJong was injured when he was struck on the left side of his face by a 92.7 mile-per-hour fastball in an April 15 game against the Pirates. In addition to breaking his nose, DeJong sustained a huge gash to his cheek and dealt with considerable bleeding in his left eye, resulting in him being rushed to the hospital before he was released the next day. Because he was still dealing with significant swelling near his eye more than week after the incident, DeJong waited until Monday to have his surgery, which was more extensive than anticipated. The Nationals haven't offered up a clear timeline for DeJong to return to action, but the 31-year-old infielder said he expects to resume working out in about a month with the hope of being ready to play in games at some point shortly before the All-Star break. A more precise target date for his return could be established once he's further removed from the surgery.

Vientos went 2-for-4 with two walks, a three-run home run and three additional runs scored in Monday's 19-5 rout of the Nationals.

Hitting ahead of Brandon Nimmo -- who tied a Mets record with nine RBI on the day -- paid dividends for Vientos, but the third baseman also capped the team's offensive eruption in the ninth inning with his third homer of the season. Vientos has hit safely in six straight games and 12 of his last 13, slashing .320/.364/.600 over that stretch with all three of his long balls, 11 runs and 13 RBI.

Cincinnati manager Terry Francona spoke to Candelario on Monday about a reduced role due to an early-season slump, Mark Sheldon of MLB.com reports. "We tried to explain to him, too, that you can't chase hits. That's a hard way to play," Francona said.

This move was a long time coming and forecasted over the last week. Candelario, who is batting .113 with a .411 OPS over 22 games, managed to avoid being benched earlier while the Reds navigated injuries. Now that the roster is in better shape -- Spencer Steer is back playing the field following a bout of shoulder inflammation, Noelvi Marte is ripping it up since his promotion, and Gavin Lux no longer needs to cover left field since Austin Hays was activated off the injured list -- Candelario will have to take advantage opportunities when presented to him to climb back into a rotation at first base, third base or DH.

Norby is not in the Marlins' starting lineup against the Dodgers on Monday.

Norby will begin Monday's game in the dugout while Graham Pauley starts at the hot corner and bats ninth. Norby 3-for-4 with a three-run homer in Sunday's loss to the Mariners has an .828 OPS in 35 plate appearances this season.

Norby went 3-for-4 with a three-run homer, a double and two runs scored in Sunday's loss to the Mariners.

Norby posted his second three-hit game of the season, but this one included a three-run blast to bring the Marlins within one after they were down 7-2. The long ball knocked in his first runs of the season and all three of his hits had an exit velocity of 99 MPH or higher. Norby has swung the bat well since missing the first couple weeks of the season with an oblique issue, slashing .303/.343/.485, though he's yet to draw a walk in 35 plate appearances.

Marte went 3-for-5 with two steals, a double and three RBI in Sunday's 8-1 win over the Rockies.

The 23-year-old third baseman capped off a brilliant weekend in Colorado by notching his second career multi-steal game. In the three-game series at Coors Field, Marte batted .467 (7-for-15) with a homer, a double and seven RBI. Overall, he has opened the season with a .364/.404/.659 slash line with three homers, four steals, 15 RBI and eight runs scored across 47 plate appearances.

McMahon is not in Colorado's starting lineup against Cincinnati on Sunday, Thomas Harding of MLB.com reports.

McMahon has failed to record a hit over his last seven games and has gone 2-for-50 with a 41.7 percent strikeout rate since April 11. Amid his struggles, McMahon will begin Sunday's contest in the dugout while Kyle Farmer starts at the hot corner and bats fifth against Reds left-hander Nick Lodolo.

DeJong will undergo surgery Monday to repair his sinuses and orbital plate, Jon Heyman of the New York Post reports.

DeJong's nose was fractured when he was hit by a Mitch Keller pitch April 15. DeJong was placed on the 10-day injured list the next day, and after visiting a specialist it was determined that surgery was the best way forward for his recovery. He will go under the knife Monday and is expected to return to action this year, though a timeline for his return has not been established.

Berti went 3-for-4 with a run scored in Saturday's 10-4 loss to the Phillies.

After collecting two hits Friday, Berti tallied three singles Saturday to raise his season batting average to an even .300. The veteran utility player doesn't offer a ton of power, but he's seeing the ball well at the moment and has good speed with seven stolen bases in seven attempts this year.