WALTHAM, Mass. -- Boston Celtics big man Al Horford is still dealing with the lingering effects of a concussion and is uncertain when hell play again.Horford, who was concussed when he was inadvertently struck by a teammate at practice on Oct. 31, went on Bostons recent two-game road trip with hopes of returning to action but said he is simply not ready to play.Im just not where I want to be right now, but trying to work through it, Horford said after going through a light workout with his teammates Tuesday. This is something very new to me, so its just trying to get used to this.Pressed on whats holding him back, Horford declined to elaborate on his progression through the NBAs concussion protocol.Im not at liberty to discuss a lot of those things yet, Horford said. On-the-court-wise, the times that Ive been on, I felt good with my workouts. Its just to play, Im just not there yet.Asked if he might be ready to play Friday against the Golden State Warriors, Horford said simply that hes antsy to play again.Ive been very motivated to come back. This is just something very different, Horford said. Like Ive said, I havent dealt with anything like this before. So were really taking it day by day. Thats just all I can do right now.Horford later added that he is a competitor.I want to be out helping my team, and us growing together, he said. But the last thing I want to do is have a setback, come in when Im not supposed to, and set myself back for a longer period of time.Were trying to be as smart as we can about this. I just want to make sure that when Im ready to go, Im good to go.Horford signed a four-year, $113 million contract with the Celtics this summer. As the Celtics battle injuries at the start of the season, teammates are hopeful Horford will feel good enough to return soon.We want him back and hopefully hell be back sooner rather than later, Celtics guard Isaiah Thomas said. You cant mess with the brain. You cant mess with the head. If hes not feeling like himself, then he has to wait until he is.The Celtics have gone 3-4 in the seven games that Horford has missed. Boston also has been without Jae Crowder (ankle) for much of the same stretch, and the teams defense has suffered without the pair.Crowder will not play Wednesday against the Dallas Mavericks, his former team, but he engaged in shooting drills after practice. Cavaliers Jerseys Outlet . - Levi Browns tenure at left tackle for the Pittsburgh Steelers is over before it even began. Cavaliers Jerseys From China . The news was first reported on Gonzalezs Twitter account and confirmed by the Rockies. 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Giambi belted a two-run, pinch-hit homer with two outs in the ninth inning to give Cleveland a shocking 5-4 win over the Chicago White Sox on Tuesday night, keeping the Indians up with the lead pack in the AL wild-card race.MIAMI -- With Ricky Nolasco on the trade market, the San Diego Padres liked what they saw. Their hitters did, anyway. Will Venable drove in three runs and Logan Forsythe hit a two-run homer Friday night to help San Diego beat Nolasco and the Miami Marlins, 9-2. Nolasco (4-8) allowed six runs and 11 hits in five-plus innings to match or surpass his worst effort of the season in all three categories. San Diego is among the teams believed to be interested in the right-hander, who is the Marlins leader in career victories. "Im sure there were a lot of scouts in the stands watching," Padres manager Bud Black said. Nolasco said recent trade talk didnt affect his performance. "You read about it and see it on the Internet," Nolasco said. "But my job is to focus on what I have to do every fifth day. Just because I didnt get it done today doesnt mean Im not focusing or trying everything I can." Nolasco is on the market because he is by far the highest-paid player for cost-conscious Miami, and he becomes a free agent after the season. He predicted teams interested in him wont be dissuaded by his latest outing. "Whether I pitched good or bad tonight, I dont think thats going to dictate what kind of pitcher I am or what theyre going to get," he said. Black said the Padres had a good plan against Nolasco, who threw 110 pitches. "We drove his pitch count up early, so he was stressed and working hard," Black said. "That takes its toll on a pitcher for sure. The mistakes that he did make, we did some damage." Venable and Forsythe each had three of the Padres 15 hits. Edinson Volquez (6-6) gave up two runs in six innings for the Padres, who have outscored Miami 20-3 this season while winning all four games. The Marlins loss snapped a three-game winning streak that matched their longest this year. It was the first time in the past 11 games that theyve allowed more than three runs. Miami managed at least one hit in each of the first eight innings but went 0 for 6 with runners in scoring position. "We werent crisp," manager Mike Reedmond said.dddddddddddd "We didnt give them our best." Volquez struck out eight, including six looking, and lowered his ERA to 5.50. He also singled and scored. "I felt great," Volquez said. "Everything was working tonight." The Padres made it 1-all in the second when Chase Headley singled, stole second and scored on Venables two-out single. They took the lead for good in the third when Volquez singled and Forsythe hit his third homer. With San Diego ahead 3-2, Miami had a runner at second base when Venable charged from right field and made a diving catch of Nolascos soft fly to end the fourth inning. "I didnt think he was going to catch it," Nolasco said. "I was more worried about getting thrown out at first." The Padres ended Nolascos night with four consecutive hits to start the sixth. Yasmani Grandal and Venable hit RBI singles, and another run scored on an error by shortstop Adeiny Hechavarria. "I couldnt put those guys away in the sixth, and a decent ballgame turns into a terrible one," Nolasco said. When asked if he thought he had pitched his final game for Miami, Nolasco said: "Im the wrong person to ask that question. Im not thinking like that." NOTES: Padres 2B Jedd Gyorko, who aggravated his strained right groin while on a rehabilitation assignment Wednesday with Double-A San Antonio, rejoined the Padres to undergo treatment and is expected to miss at least a few more games. He said he felt much better than when he was first hurt June 9. ... San Diego SS Everth Cabrera (strained hamstring) took part in pregame drills and might come off the disabled list Tuesday, the first day hes eligible to return. Hes expected to go on a brief rehabilitation assignment before being activated. ... The barrel of Logan Morrisons shattered bat flew into the 13th row when he grounded out in the eighth, but no one was hurt. ... The Padres signed OF Jordan Paroubeck, the 69th overall selection in this months draft, and have signed 18 of their first 19 picks. ... Headley is 8 for 18 (.444) against Nolasco. ' ' '