With barely 50 minutes played it was 3-0 to Arsenal.
Law, who was a scout for the club before he took up his role as a transfer negotiator, built a good relationship with Wenger and worked closely alongside the with Frenchman for eight years.
If Bournemouth's defence is weak, Arsenal's defence is nearly non-existent.
From "Bournemouth" in the beginning of the championship, too, expected more.
After watching back-to-back defeats and another poor start to the season, Arsenal fans were notably subdued before the kickoff at the Emirates Stadium but the hosts' rapid start quickly alleviated the tension. That rhetoric intensified towards the conclusion of last season, as Arsenal missed out on Champions League football for the first time in 19 years.
"Our training has been very good and I just hope we continue our momentum from the Manchester City game [a narrow 2-1 defeat]".
The Gunners could lose three successive Premier League games for the first time since January 2012.
'But it's not for him - and it's going to end in tears'.
Reports have claimed that the Spaniard may be forced to retire due to the injury, but Wenger believes he will be back in action in 2018. Should they play like this for the rest of the campaign, they could be in for a better display than many people predicted they would be just a fortnight ago. That's why you have to scrap it before the season starts. The Cherries have had a bad start to the season and Eddie Howe's side have now lost their opening four games of a league campaign for only the third time in their history.
'The most important thing for us now is to focus on the next game'. Alexis Sanchez was called "fatter than normal" by one of the Chile coaches during the global break and he will be back after a long flight from South America.
"Well, I believe that we were on the case previous year", Wenger was quoted as saying by Sky Sports ahead of Saturday's English Premier League (EPL) home game against Bournemouth.