LONDON, June 17: South African selectors have kept their options open for the second Test line-up to bolster the batting strength. Opener Gehardus Liebenberg could make way for Adam Bacher, or selectors could bring in all-rounder Brian McMillan, drop Liebenberg and promote No 3 batsman Jacques Kallis to open with Gary Kirsten in the Test starting at Lord's tomorrow.The visitors are dogged by bad weather, a lack of match practice and injury worries.Donald has been enduring a troubled ankle for sometime. Donald's pace bowling partner, Shaun Pollock, a fledging all rounder, is nursing a groin strain. The tourists are also concerned about the lack of quality time their batsmen have spent at the wicket, with the team facing just 36 first-class overs between the Tests.Daryll Cullinan has not played since the first Test. To compound the problem, skipper Hansie Cronje has batted once since scoring one in the first Test. He scored 15 in a one-day match against Nottinghamshire.England was also hit by injuryconcerns today and selectors called up Glamorgan's Steve James, plus Graeme Hick and veteran wicketkeeper Jack Russell to its squad.England captain Alec Stewart missed training yesterday with a badly upset stomach and then woke up today with a stiff back which again limited his practice.Opener Mark Butcher also practised in some discomfort with a badly bruised thumb, picked up in domestic cricket on Monday, and former captain Mike Atherton, scorer of a fine 102 in the first Test, was suffering with a heavy cold.England's management refused a request from Yorkshire to release fast bowler Chris Silverwood for today's county championship match, although he remains almost certain to be 12th man, with Dean Headley likely to replace the injured Darren Gough.Both teams assessed the pitch as a "slowish seamer" but are still likely to play a slow bowler - off-spinner Robert Croft for the home side and left-arm wrist spinner Paul Adams for South Africa.The sides showed how closely they are matched overthe first four days of the first Test before rain washed out a potentially thrilling fifth day.