<p>Alexandre Lacazette came off the bench and scored with his first chance as Arsenal won 1-0 at Brighton to take some pressure off coach Mikel Arteta with a second straight victory.</p>.<p>Lacazette had just come on when Bukayo Saka turned from inside his own half and made a superb run down the right before pulling the ball back to him.</p>.<p>Lacazette took one touch to control the ball just inside the penalty area before driving a shot inside the right post in the 66th minute.</p>.<p>Arsenal moved up to 13th place and a relieved Arteta hugged his assistants at the final whistle.</p>.<p>He can also thank Lacazette.</p>.<p>It was his second straight goal after scoring a penalty in the 3-1 win against Chelsea on Saturday, where defeat may have cost Arteta his job.</p>.<p>But he was perhaps surprisingly replaced as lone striker by Pierre-Emerick Aubameyang, who has been short of the form which made him arguably the league's most dangerous striker last season.</p>.<p>Aubameyang has scored 57 Premier League goals since joining Arsenal nearly three years ago.</p>.<p>He should have had No. 58 when, with his first chance in the 50th minute, he met Saka's left-wing cross but steered his close-range shot straight at goalkeeper Robert Sanchez.</p>.<p>Moments later, Arsenal's 19-year-old Brazilian forward Gabriel Martinelli shot narrowly over the crossbar from just inside the penalty area, and then Aubameyang fluffed a counter-attack when he tried a difficult curling shot instead of picking out midfielder Emile Smith Rowe in a better position.</p>.<p>Saka went off late after taking a knock to his ankle, but the injury did not appear serious and he sat in the stands to watch the remainder of the encounter.</p>.<p>Brighton had the better of a drab first half, with Alireza Jahanbakhsh having a shot saved and shooting wide with another chance, with both attempts following crosses from Brazilian Bernardo.</p>.<p>Arsenal travels to play next-to-last West Bromwich Albion on Jan. 2 while 17th-place Brighton hosts Wolves that day.</p>.<p>West Brom lost 5-0 at home to Leeds on Tuesday.</p>
<p>Alexandre Lacazette came off the bench and scored with his first chance as Arsenal won 1-0 at Brighton to take some pressure off coach Mikel Arteta with a second straight victory.</p>.<p>Lacazette had just come on when Bukayo Saka turned from inside his own half and made a superb run down the right before pulling the ball back to him.</p>.<p>Lacazette took one touch to control the ball just inside the penalty area before driving a shot inside the right post in the 66th minute.</p>.<p>Arsenal moved up to 13th place and a relieved Arteta hugged his assistants at the final whistle.</p>.<p>He can also thank Lacazette.</p>.<p>It was his second straight goal after scoring a penalty in the 3-1 win against Chelsea on Saturday, where defeat may have cost Arteta his job.</p>.<p>But he was perhaps surprisingly replaced as lone striker by Pierre-Emerick Aubameyang, who has been short of the form which made him arguably the league's most dangerous striker last season.</p>.<p>Aubameyang has scored 57 Premier League goals since joining Arsenal nearly three years ago.</p>.<p>He should have had No. 58 when, with his first chance in the 50th minute, he met Saka's left-wing cross but steered his close-range shot straight at goalkeeper Robert Sanchez.</p>.<p>Moments later, Arsenal's 19-year-old Brazilian forward Gabriel Martinelli shot narrowly over the crossbar from just inside the penalty area, and then Aubameyang fluffed a counter-attack when he tried a difficult curling shot instead of picking out midfielder Emile Smith Rowe in a better position.</p>.<p>Saka went off late after taking a knock to his ankle, but the injury did not appear serious and he sat in the stands to watch the remainder of the encounter.</p>.<p>Brighton had the better of a drab first half, with Alireza Jahanbakhsh having a shot saved and shooting wide with another chance, with both attempts following crosses from Brazilian Bernardo.</p>.<p>Arsenal travels to play next-to-last West Bromwich Albion on Jan. 2 while 17th-place Brighton hosts Wolves that day.</p>.<p>West Brom lost 5-0 at home to Leeds on Tuesday.</p>