HOUSTON -- Rob Gray scored 30 points for his third straight game with 20-plus, Danrad Knowles added 25 points and Houston beat Rhode Island 82-77 on Saturday.Houston (7-2) trailed 68-67 but the Cougars made six straight free throws for a 73-68 lead with 2:08 left. Kuran Iverson answered with an inside basket but he couldnt convert a 3-point play.After a timeout, Galen Robinson Jr. dribbled down the clock and shot a runner in the lane. He missed, grabbed the offensive rebound and found an open Armoni Brooks for a 3-pointer and a 76-70 lead.Rhode Island missed a 3-pointer on its next possession but Cyril Langevine grabbed the offensive board and hit two free throws to pull to 76-72 with 50.8 seconds left. But Robinson broke the press and lobbed it for Knowles for a six-point Houston lead.E.C. Matthews led Rhode Island (6-4) with a career-high 31 points and six 3-pointers. CHICAGO -- Aroldis Chapman is having an uneven first week with the Chicago Cubs.Leonys Martin hit a go-ahead, two-run double off new Cubs closer in the eighth inning, lifting the Seattle Mariners over Chicago 4-1 Saturday.Cubs manager Joe Maddon hoped Chapman would convert his second four-out save since being acquired from the Yankees.That part of the batting order just yells his name. Thats the whole point, Maddon said. To go through that moment and hes available and to not utilize him and then lose the game, I would have been really upset with myself.Chapmans first week with the Cubs has included a save against the White Sox and an awkward interview about the domestic violence case that led to a 29-game suspension.Its not my favorite thing to do, but thats my job and its the managers decision, Chapman said through a translator of coming on in the eighth. Im ready to do anything.Wade Miley (7-8) took a no-hit bid into the seventh inning before allowing Kris Bryants single and Javier Baezs RBI groundout.Jake Arrieta (12-5) walked Mike Zunino and Shawn OMalley starting the eighth, pinch-hitter Luis Sardinas sacrificed against Hector Rondon, and Nori Aoki grounded to third, where Bryant threw out pinch-runner Guillermo Heredia at the plate, a call upheld in one of three home-plate video reviews.Chapman allowed Martins double to left-center on a 99.6 mph pitch, which put Seattle ahead 2-1.I tried to swing at a strike, a choke swing, and he threw me a strike, said Martin, who added he faced Chapman once before a long time ago in Cuba.Martin stole third and scored on Chapmans wild pitch.Seattle added a run in the ninth when shortstop Addison Russell threw high to first on Chris Iannettas two-out grounder, allowing Franklin Gutieerrez to score from third.ddddddddddddEdwin Diaz struck out pinch-hitter Anthony Rizzo and Dexter Fowler with two on to end the eighth. Steve Cishek worked around a hit in the ninth for his 25th save in 30 tries. Chicago had won its previous three games.Miley allowed one hit over seven innings with a season-high nine strikeouts. He had lost his previous six starts since beating Cleveland on June 7.I tried not to think about it, Miley said of the potential no-hitter. The guys in the dugout were getting farther and farther away from me, and I didnt like that at all.Arrieta (12-5) allowed two runs, two hits and three walks in seven-plus innings with four strikeouts. He fell to 0-3 with a 4.88 ERA in five starts during July.Fowler initially was called out by plate umpire Lance Barrett on Baezs grounder, but the call was overturned in a video review.Chicago had a second run off Miley wiped out by replay when Bryant, trying to steal home on a pickoff throw to first, was thrown out at the plate in the seventh.TRAINERS ROOMMariners: RHP Nathan Karns (lower back strain) went on the 15-day disabled list, a day after he allowed five runs during a two-inning relief appearance. RHP Cody Martin was recalled from Triple-A Tacoma. ... RHP Taijuan Walker (foot) is scheduled to throw five innings Monday in a rehab start for Tacoma.UP NEXTMariners ace Felix Hernandez (5-4) is to start the series finale Sunday night against LHP Brian Matusz, who will be called up from Triple-A Iowa. That will give Kyle Hendricks and the rest of the rotation an extra days rest. Maddon said RHP Justin Grimm will be optioned to Iowa.. ' ' '