Scott Boland has been selected ahead of Nathan Lyon as Australia won the toss and opted to bowl first in the second Test against South Africa at St George's Park in Gqeberha on Sunday, with overcast conditions and a grassy pitch proving decisive in one of the more significant selection calls of the current era.

It marks the first time Lyon has been dropped from a red ball Test when fit and available since the 2013 Ashes series in England, a run of more than a decade of continuous selection that underscores just how notable the omission is. The veteran off-spinner had retained his place through pink ball omissions and injury absences, but has now been stood down in favour of Boland for a pitch and overhead forecast that strongly favour seam bowling.

Lyon's Omission and the Selection Decision

The moment that crystallised the selection outcome came roughly ten minutes before the scheduled coin toss, when Lyon had a brief conversation with selection chair George Bailey before walking across to Boland and offering a handshake and embrace. Boland had been warming up alongside his fellow pace bowlers at the time.

Lyon has previously been left out of Australian squads for day-night Tests, most recently during last summer's Ashes match in Brisbane and also on the tour of the West Indies the year prior. However, those exclusions were linked to the pink ball format. Sunday's omission, for a traditional red ball match, is a different matter entirely and represents the first such instance since he reclaimed his Test spot from Ashton Agar during the 2013 Ashes in Manchester.

Aside from that single change, Australia have retained the exact batting order and team composition that delivered a commanding victory in Durban last week. Travis Head and Nic Maddinson continue as the opening pair, Marnus Labuschagne and Steve Smith follow at three and four, with Matthew Renshaw holding his position at number five following an impressive performance in the first Test. Beau Webster also keeps his place.

Conditions Drive the Toss Decision

Steve Smith, speaking before play, offered a vivid picture of what the Australian camp was dealing with ahead of the match. He described the conditions as overcast with a few drops of rain and noted the pitch appeared slightly greener than it had a couple of days earlier, with some moisture in the surface.

Smith also revealed a conversation he had with the groundsman that left him surprised. "I asked him, 'Do you use a hessian?' and he said no, he actually likes to see a bit of moisture in the morning," Smith explained, adding he had not encountered that approach before. He suggested conditions could be tricky for batters in the early sessions.

Those factors, combined with the overhead cloud cover, made the decision to bowl first a straightforward one for captain Pat Cummins once the toss was won. A delay to the scheduled start, which was set for 7pm AEDT, appeared likely as covers were placed across the entire square.

Australia's Formidable Bowling Attack in Context

The selection of Boland completes an all-pace attack that continues to rank among the most productive four-man bowling combinations in Test cricket history. The unit of Cummins, Mitchell Starc, Josh Hazlewood and now Boland carries considerable weight in the format, with the quartet's collective wicket tally as a group having broken new ground in the game's statistical record books.

Comparisons have been drawn to the great West Indian attacks of the late 1970s, featuring the likes of Michael Holding, Andy Roberts, Joel Garner, Malcolm Marshall and Colin Croft. Those attacks combined raw hostility with control and were described by those who faced them as relentless and punishing. Australia's current group offers a similar blend of precision, sustained pace and relentless pressure, echoing another celebrated combination from the late 1990s and early 2000s that featured Glenn McGrath, Shane Warne, Jason Gillespie and Brett Lee.

That pedigree was on full display in Durban, where Australia won the first Test convincingly, outbowling, outbatting and outfielding South Africa across all three departments in a performance that set up a strong platform heading into this second match.

The Two XIs

Australia will take the field with the following eleven: Travis Head, Nic Maddinson, Marnus Labuschagne, Steve Smith, Matthew Renshaw, Alex Carey, Beau Webster, Pat Cummins (captain), Mitchell Starc, Scott Boland and Josh Hazlewood.

South Africa have named: Aiden Markram, Marques Ackerman, David Bedingham, Temba Bavuma (captain), Matthew Breetzke, Ryan Rickelton, Wiaan Mulder, Marco Jansen, Simon Harmer, Kagiso Rabada and Anrich Nortje.

With rain threatening to interrupt play early, both sides will be keen to make the most of whatever time is available on a surface that promises to make life difficult for batters from the outset.