Williams (side) has been cleared to perform light rehab exercises but has yet to initiate a throwing program, Adam Berry of MLB.com reports.

The Pirates will reassess Williams (oblique) in 10 days to determine whether he'll be ready to begin baseball activities, general manager Neal Huntington told 93.7 The Fan.

Williams was placed on the 10-day injured list Friday due to a right side strain, Adam Berry of MLB.com reports.

Williams was removed from Thursday night's game against the Padres due to right side discomfort.

Williams left the fourth inning of Thursday's game with an apparent right oblique injury, John Perrotto of DKPittsburghSports.com reports.

Williams (2-1) picked up the win in Friday's 2-1 victory over the Cardinals, allowing one run on nine hits and a walk over seven innings while striking out five.

Williams allowed two runs on six hits with five strikeouts and one walk across six innings in a no-decision against the Tigers on Wednesday.

Williams will start Wednesday's series finale against the Tigers, Adam Berry of MLB.com reports.

Williams allowed two runs on four hits with three strikeouts and three walks across 6.1 innings in a no-decision against the Nationals on Friday.

Williams allowed four runs (three earned) on seven hits and no walks in six innings against the Reds on Saturday. He struck out three but did not factor into the decision.

Williams (1-0) threw six shutout frames, posting six strikeouts with three hits and one walk, to secure a 5-0 victory against the Reds on Sunday.

Williams will start Sunday against the Reds after his scheduled start Saturday was rained out, Bill Brink of the Pittsburgh Post-Gazette reports.

Williams hurled three scoreless innings against the Orioles on Sunday. He gave up three hits and no walks while striking out two batters.

Williams (14-10) threw five innings and took the loss Thursday, allowing three runs on eight hits and three walks while striking out four in a loss to the Cubs.

Williams (14-9) picked up the win in Saturday's 3-0 victory over the Brewers, scattering four hits and a walk over six scoreless innings while striking out seven.

Williams (13-9) twirled six scoreless innings and took the win Sunday, scattering just two walks and two hits while striking out seven in the 3-2 victory against the Brewers.

Williams will not make his scheduled start against the Marlins as Sunday's game was postponed due to weather, Bill Brink of the Pittsburgh Post-Gazette reports.

Williams (12-9) picked up the win Monday against the Reds, allowing five hits and one walk across 6.2 scoreless innings. He struck out four.

Williams (11-9) got the win Wednesday, tossing six shutout innings with eight strikeouts while allowing three hits and three walks against the Cardinals.

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Pittsburgh Pirates starting pitcher Trevor Williams was electric Wednesday night against the St. Louis Cardinals. Williams had a great night by only allowing three hits in six full innings of work. He didn't allow any runs, and he racked up eight strikeouts. The Cardinals have been one of the hottest hitting teams in the league, so it makes his performance even more impressive. Williams now has a 3.30 ERA on the season. Williams could be a could streaming option for the rest of the year if you need an extra arm for your fantasy teams.

Williams didn't factor into the decision in Wednesday's 2-1 loss to the Braves, allowing one run on two hits and two walks over six innings while striking out four.

Williams (10-8) allowed five hits and one walk while striking out two over seven scoreless innings in a win over the Giants on Saturday.

Williams (9-8) allowed two runs on nine hits with no walks across five innings while taking the loss against the Cardinals on Sunday. He struck out three.

Williams (9-7) threw six shutout innings Saturday against the Mets, giving up five hits and three walks while striking out five en route to the win.

Williams (8-7) tossed six scoreless innings to earn a win Monday against the Indians, allowing four hits and two walks with one strikeout.

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Pittsburgh Pirates starting pitcher Trevor Williams picked up the win in Monday's game against the Cleveland Indians. His line for the game is six innings pitched, four hits, two walks, one strikeout and no runs scored. He will get credited with a shutout. The game was officially called after three rain delays, and the bottom of the sixth was played. Williams is now 8-7 with a 4.11 ERA. His next start will come at home against the New York Mets.

Williams (7-7) got the win Wednesday, tossing five shutout innings with three strikeouts while allowing four hits and three walks against the Nationals.

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Pittsburgh Pirates starting pitcher Trevor Williams pitched five innings Wednesday, giving up four hits, three walks, and striking out three. The right-hander would get the win over the Nationals after the bullpen kept the opposition off the board. Williams is now 7-7 with a 4.36 ERA and 1.25 WHIP. He has been inconsistent in his starts, but should be owned in season-long formats. Watch the matchup for whether or not to start him.

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Pittsburgh Pirates starting pitcher Trevor Williams couldn't get out of the third inning on Friday night. His final line is 2 1/3 innings with five runs on five hits with two walks and zero strikeouts. He threw 82 pitches. This is Williams' third straight start giving up three or more runs. In those starts he has pitched 13 innings and given up 12 earned runs on 14 hits and has walked four. Williams' next start will come against the Washington Nationals, which probably is not going to be an easy outing.

Williams (6-6) allowed four earned runs on four hits and two walks while striking out four across 4.2 innings to take the loss Saturday against the Padres.

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Pittsburgh Pirates starting pitcher Trevor Williams did not have his best stuff Saturday in San Diego. The righty went 4 2/3 innings and gave up four runs on four hits with two walks and four strikeouts. The Pirates would try to make a comeback in the ninth when catcher Elias Diaz and outfielder Austin Meadows both doubled off closer Brad Hand to cut the lead to one run. Gregory Polanco would triple, but get stranded on third for the 4-3 loss.

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Pittsburgh Pirates starting pitcher Trevor Williams, a native of San Diego, will take the mound Saturday against the Padres. Williams is 6-5 with a 4.03 ERA and 64 strikeouts, but he is facing a team that is batting .233 against right-handed pitchers. They have only been scoring 3.71 runs per game this year, and are ranked 27th in the league. Owning Williams outright would be ill-advised, but if you need a streaming option for the day he might be your guy.

Williams (6-5) allowed three runs on five hits with no walks across six innings while taking the loss Sunday against the Diamondbacks. He struck out six.

Williams tossed seven shutout innings against the Brewers on Monday, allowing just one hit and two walks while matching a season high with seven strikeouts.

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Pittsburgh Pirates starting pitcher Trevor Williams threw seven scoreless innings Monday night against the Milwaukee Brewers. Williams struck-out seven, walked two, and allowed his only hit, a single to Jonathan Villar, in the fourth inning. According to Adam Berry, "He'd allowed 25 runs, 20 of which were earned, over his last 21 innings prior to Monday's gem." Williams will need a couple more good outings before he should be considered by fantasy owners.

Williams (5-4) took the loss Tuesday, allowing eight runs (three earned) on six hits and two walks while striking out two over three innings against the Diamondbacks.

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Pittsburgh Pirates starting pitcher Trevor Williams lasted just three innings in his start against the Los Angeles Dodgers on Wednesday. He gave up all four of his earned runs in the third inning and was pulled for a pinch hitter in the bottom of the frame. He was spared a loss, however, as the Pittsburgh offense exploded for 11 runs. It was the fourth consecutive poor start for Williams, who now has a 4.18 ERA on the year. Paired with his ongoing struggles to strike batters out, Williams is droppable in all but deep leagues at this point. He'll face the Arizona Diamondbacks on the road in his next start.

Williams allowed five runs on nine hits and two walks while striking out four over five innings in Thursday's loss to the Cardinals. He did not factor into the decision.

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Pittsburgh Pirates starting pitcher Trevor Williams allowed five runs on nine hits in five innings against the St. Louis Cardinals on Thursday while taking a no-decision. The first inning doomed Williams, as he gave up four runs and nearly allowed the Cardinals to bat around. It was the third consecutive subpar outing for Williams, who struck out four and walked two on the day. The right-hander has now allowed 13 runs over his last 15 innings and three starts, seeing his ERA rise to 3.84. With his well below-average strikeout and ground-ball rates, Williams was due for regression and that seems to have come. His value outside of NL-only leagues was limited to begin with, and he's approaching droppable territory in most formats. He'll try to turn his fortunes around against the Los Angeles Dodgers at home next Wednesday.

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Pittsburgh Pirates starting pitcher Trevor Williams lasted just four innings and allowed four runs in a loss to the St. Louis Cardinals on Saturday. The outing got off to a bad start when Williams allowed a home run to the first batter of the game, Matt Carpenter, and the right-hander was never able to steady the ship. He allowed seven hits on the night, including three for extra bases, and struck out only three. Williams has started to fall back to earth over his last two starts, seeing his ERA rise from 2.72 to 3.43. He'll try to get back on track in his next start against the Cardinals on Thursday.

Williams (5-3) gave up four runs on seven hits and zero walks while striking out three in four innings Saturday, taking the loss against the Cardinals.

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Pittsburgh Pirates starting pitcher Trevor Williams allowed four runs in six innings in a no-decision against the San Diego Padres on Sunday. The right-hander allowed only four hits and didn't walk a batter, but he had trouble working out of jams, the big blow being a two-run homer by Christian Villanueva in the fourth inning. He struck out five on the day, just the fourth time on the year he's reached that number in a start. Williams now owns a 3.05 ERA on the season, though his upside will continue to be limited by a below-average strikeout rate (17.1 percent).

Williams allowed four earned runs on four hits while walking none and striking out five across six innings Sunday against the Padres. He did not factor into the decision.

Williams (5-2) tossed seven scoreless innings to pick up the win Tuesday against the White Sox. He allowed six hits and struck out six without issuing a walk.

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Pittsburgh Pirates starting pitcher Trevor Williams fired seven shutout innings against the Chicago White Sox on Tuesday and notched his fifth win of the season. Staked with an early 6-0 lead, the right-hander cruised to the victory, striking out six and walking zero for the first time in a game this season. There are plenty of signs Williams will come crashing down to earth, but he keeps performing anyway. His 2.72 ERA leads the Pittsburgh pitching staff and ranks 11th in the National League. With little strikeout upside and an uninspiring walk rate, his success is coming from limiting hard contact. Among all pitchers with 100 or more batted balls allowed coming into Tuesday, his average exit velocity was 10th-lowest at 85.5 mph. Williams will have a chance to keep rolling in his next start against the lowly San Diego Padres on Sunday.

Williams didn't factor into the decision in Wednesday's 6-5 win over the White Sox, allowing four runs on seven hits and two walks over five innings while striking out three.

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Pittsburgh Pirates starting pitcher Trevor Williams gave up four runs on seven hits in five innings against the Chicago White Sox on Wednesday, taking a no-decision. All the damage against him came via the home run, as Tim Anderson went deep for a two-run shot in the second inning and Daniel Palka added another two-run bomb in the fourth. With his low groundball rate (36.8 percent) and 6.5 percent home-run-to-flyball-ratio, a game like this was bound to happen for Williams. He'll carry a 3.13 ERA into another start versus the White Sox next week.

Williams (4-2) took the loss after allowing three runs on four hits and a walk across 5.2 innings Thursday against the Nationals. He struck out three.

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Pittsburgh Pirates starting pitcher Trevor Williams allowed three runs in 5 2/3 innings in Thursday's loss to the Washington Nationals. The right-hander was cruising along through five shutout, one-hit frames before things fell apart in the sixth. He allowed a single to start the inning, followed by a two-run homer from Trea Turner two batters later. After recording the second out, Ryan Zimmerman took Williams deep for a solo shot to chase him from the game. On a positive note, Williams showed good command and walked just one batter, but he struck out only three. He'll carry a 2.63 ERA into his next start against the Chicago White Sox on the road on Wednesday.

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Pittsburgh Pirates starting pitcher Trevor Williams earned his fourth win of the season on Saturday, pitching six innings of two-run baseball against the St. Louis Cardinals. The right-hander allowed just four hits and two walks while striking out two. Williams is finding success without dominant stuff, as he has a 2.29 ERA through six starts. Still, it's hard to see this continuing much longer if he maintains subpar strikeout and walk rates. Despite being a fly-ball pitcher, Williams also has just a 2.6 percent home-run-to-fly-ball-ratio, meaning some regression is coming his way eventually. His next start should come on Thursday against the Washington Nationals.