French Open winner Stan Wawrinka is a 10-1 shot at Sportingbet, Rafa Nadal starts at 7-1 at William Hill and many will be watching to see if he is likely to be a contender at Wimbledon which is just a fortnight away.
“Murray mania is starting and the vast majority expect him to clean up at Queen’s,” said William Hill spokesman Rupert Adams.
Britain's James Ward is in first-round action today and faces a tough task against Milos Raonic, with Ward 4-1 at Sportingbet to shock the 2-9 favourite.
There's also matches from Halle and Birmingham as the countdown to Wimbeldon gathers pace.
The Snooker World Cup gets under way in China, who are the defending champs, and all the UK nations are in opening-day action.
There's also rugby, cricket and Stateside sport if you fancy a punt so let's hear your sporting tips and thoughts.
Aegon Championship (William Hill prices): 13-8 Murray, 5-1 Wawrinka, 8-1 Raonic, 8-1 Nadal, 12-1 Dimitrov, 12-1 Cilic, 16-1 Isner, 20-1 Kyrgios, 25-1 Querrey, 33-1 Lopez, 40-1 Gasquet