Ken Grieves joined Petersham DCC in 1941-42 scoring 62 and taking 6-78 off 22 overs in 3rd Grade v Paddington. He was immediately promoted to 2s where he hit 74 and took 10 wickets at just 14 in three games. Although only 17 years of age he was rushed into 1st Grade making 20 in his debut v Gordon at Petersham in October 1941 before going on to take the bowling honours with 32 wickets at 20.25.
A right-hand batsman and leg spin bowler he had knocked up 1,207 runs in 1st Grade, taken 71 wickets and held 41 catches, mainly at slip where he excelled, for Petersham before his 20th birthday.