Gafford (shoulder) has been ruled out for Wednesday's game against the Suns.

Gafford will end up missing both halves of this back-to-back set due to a right shoulder impingement. Marvin Bagley and Dwight Powell are likely to handle the majority of the center minutes in Gafford's absence. His next chance to play will come Friday in San Antonio.

Martin (heel) has been ruled out for Wednesday's game against the Suns.

Martin will miss a 12th consecutive game due to a right heel strain. His next chance to play is Friday against the Spurs, though there's no indication that the veteran forward will be available for the Mavericks' final games of the regular season.

Flagg (wrist) is available for Wednesday's game against the Suns.

As expected, Flagg will shake off his probable tag due to a left wrist sprain and suit up in the second half of this back-to-back set. The star rookie has posted at least 24 points in six of his last eight games, averaging 29.3 points, 6.5 rebounds, 4.5 assists and 2.9 combined steals-plus-blocks over 35.8 minutes per game during that span.

Marshall (hip) has been ruled out for Wednesday's game against the Suns.

Marshall injured his left hip during the Mavericks' 116-103 loss to the Clippers. The injury is severe enough for him to miss the second leg of Dallas' back-to-back set, and his next opportunity to play is Friday against San Antonio. With several Mavericks players missing Wednesday's contest, more minutes will be available for Ryan Nembhard, AJ Johnson, John Poulakidas and Khris Middleton.

Hendricks will start Wednesday's game against the Nuggets.

With Olivier-Maxence Prosper (ankle) unavailable, Hendricks will join the first unit in his return from a one-game absence due to a right thumb sprain. Over 10 starts since the All-Star break, the 22-year-old forward has averaged 7.2 points, 5.0 rebounds and 1.3 steals in 24.7 minutes per tilt.

Clayton is in Memphis' starting lineup against Denver on Wednesday.

The rookie first-rounder will make his sixth start of the season (and fourth in 13 games since March 16). His last start was in Sunday's 131-115 loss to the Bucks, when he played 25 minutes and logged 20 points, four assists, three rebounds and four three-pointers.

Okani is in the Grizzlies' starting lineup against the Nuggets on Wednesday.

Okani will start for the second time this season and will join Walter Clayton, Jahmai Mashack, Cedric Coward and Taylor Hendricks in the lineup. Okani made his first career NBA start against the Bucks on Sunday, when he played 41 minutes and finished with nine points, three rebounds, one steal and one three-pointer in a 131-115 loss.

Mashack will start Wednesday's game against Denver.

Mashack will return from a two-game absence due to a concussion and step into the starting five. As a starter this season (four games), the rookie second-rounder has averaged 10.5 points, 3.0 rebounds, 3.0 steals and 1.8 assists in 30.0 minutes per contest.

Williamson is not in the Grizzlies' starting lineup against the Nuggets on Wednesday.

Williamson made his first career start against the Cavaliers on Monday, when he played 40 minutes and logged 17 points, five rebounds, four assists, three steals and five three-pointers in a 142-126 loss. He'll retreat to the bench for Wednesday's contest while the Grizzlies roll with a starting five of Walter Clayton, Jahmai Mashack, Cedric Coward, Toby Okani and Taylor Hendricks.

Wagner exited to the locker room in the third quarter of Wednesday's game against the Timberwolves due to an apparent left knee injury, Jason Beede of the Orlando Sentinel reports.

Wagner appeared to hyperextend his left knee and went down before walking to the locker room under his own power. If he's unable to return, Tristan da Silva will likely help pick up the slack the rest of the way.