NEW?DeLHI (Agencies)- Pakistan may have beaten Sri Lanka in a high-profile ICC Cricket World Cup Group A encounter in Colombo on Saturday but all is not well, according to Wasim Akram. The bowling needs to do better, feels the former speedster. Speaking exclusively to MobileESPN from Colombo on Sunday morning, Akram, who is close to the Pakistan team management, said the disappointing performance by pacer Umar Gul against Lanka is a cause for concern. Akram indicated Wahab Riaz may get a look in in Pakistans next game against Canada on March 3. Gul did not bowl a single slower ball in the entire spell. He is an experienced and a feared bowler. Variation in bowling is a must, otherwise one will get hammered on a flat wicket, Akram said. Gul is Pakistans main bowler but now the team is contemplating whether to include Riaz in his place for the next match. Gul has to learn quickly how to bowl on such flat tracks or bring variation in his bowling, Akram added. The pace legend also said Pakistan dont have much of an option with the new ball but to have Abdul Razzaq open the attack. They have no option. Gul got hammered and he struggled to control the new ball. Also, they cannot drop (Abdul) Razzaq for his additional batting abilities. Plus, I was impressed with Razzaq as he bowled quite well with the new ball, regularly clocking around 130 km/hr, said Akram. According to Akram, the turning point of the Sri Lanka match was bringing in Shoaib Akhtar when, the pillar of Lankan batting, Mahela Jayawardene was at the crease. Akram gave the credit to skipper Shahid Afridi for the brave decision saying, He brought in Akhtar for a few overs when Jayawardene, Lankas main player, was batting. Akhtar took his wicket and that was extremely important for Pakistan. Had Jayawardene stayed on, he would have taken the match away. That was mature captaincy from Afridi. Akram, however, had a word of advice for the Pakistan captain. My advice to Afridi would be not to be too involved with senior bowlers. You should conserve your energy as a captain. Afridi bowled brilliantly, looked full of energy but he should conserve his energy for bigger games and stay calm. (ESPN STAR)