Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Inter Milan beat local rivals AC Milan 1-0 to move top of Serie A on Sunday, as Mario Balotelli failed to make an immediate impact against his old club on his second debut for the Rossoneri. Fredy Guarin celebrated his 100th league appearance with a stunning goal after Milan had wasted a number of chances. Balotelli, who rejoined Milan on loan from Liverpool last month, hit the post and went close with a free kick. Balotelli started his career at Inter before moving to Manchester City in 2010 and he came off the bench to deafening boos from the home fans shortly after the hour mark.Inter Milan midfielder Fredy Guarin's 58th minute strike was enough to beat AC Milan in the San Siro derbyThe Colombian curled a powerful left footed shot into the bottom cornerMario Balotelli twice came close for AC with sublime long-range efforts 
 Question:_ was brought on in the 61st minute and he almost helped Milan level with his first touch as his free kick flashed across the face of goal but no one could tap it in.

Mario Balotelli