SA 143-8published at 11:29 British Summer Time 29 July 2017
Perhaps it should be Morkel farming the strike - he's scored 10 runs today, Bavuma has only added six to his overnight score - and plays out a maiden over from TRJ.
England 74-1, lead by 252 runs
Jennings overturns lbw decision on 33
South Africa bowled out for 175 on third morning
Bavuma makes 52; five-wicket haul for Roland-Jones
England first innings: 353 (Stokes 112, Cook 88)
Jamie Lillywhite and Mark Mitchener
Perhaps it should be Morkel farming the strike - he's scored 10 runs today, Bavuma has only added six to his overnight score - and plays out a maiden over from TRJ.
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Bavuma may be short in stature, but not in ability. He reminds me of a young Clive Lloyd.
Rafi, Canterbury
For all you Morne Morkel fans out there, here's one of his boundaries. After all, did you know he once opened in the second innings of a Test against Australia, external when Graeme Smith was injured?
Bavuma 40, Morkel 12
Even the umpires are joining in the Cricket United spirit, sporting sky blue armbands today, while blue stumps are in place. Broad has his hands on his hips as Morkel plays and misses. When the big man does connect with a cut shot, they run two - then Morkel helps himself to another boundary with a more agricultural heave through mid-on. The follow-on target is down to 11.
17 needed to avoid follow-on
Bavuma has selected his new blade, and it's soon in use as a flashing blade as he fences and misses at a short delivery from Roland-Jones, who has 4-44 from 13 overs. Either he can't farm the strike this time - or that Morkel four has suggested to him that he doesn't need to.
#bbccricket
Alex: If England get the last two wickets quickly, is Philander allowed to open the bowling even though he was off the field yesterday?
I'm not sure at what point your absence from the field is "reset" at the end of a day, for instance. Can anyone out there give us chapter and verse?
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Bavuma 40 from 80 balls
A checked straight drive from Bavuma scuttles back past the bowler for four. The over-rate was lousy yesterday, and we might expect more of the same as Bavuma calls for a change of bat between deliveries.
Michael Vaughan
Ex-England captain on BBC Test Match Special
In these conditions, as we speak, South Africa wouldn't mind the follow on and batting again. England would then be thinking about a Hashim Amla double hundred. I think England will bat now.
Andrew Samson
BBC Test Match Special statistician
That was Temba Bavuma's 1,000th Test run.
Bavuma 36, Morkel 6
"A bit of cloud cover at the moment, but plenty of blue skies" reports TMS's Simon Mann as the unshaven Broad begins a new over, He takes a single off the fifth ball, which gets him to a milestone (as Andrew Samson will shortly reveal) - while the left-handed Morkel attempts to show his batting prowess by cracking a four through the covers.
Stephan Shemilt
BBC Sport at The Oval
I'm fairly certain we've just heard the first time this summer that Billy the Barmy Army trumpeter has led Jerusalem. A big time coming up for Billy, going back to Australia, where it all began.
Michael Vaughan
Ex-England captain on BBC Test Match Special
If South Africa had just managed to fight a bit more in those 43 overs last night and say they were four wickets down, they'd have been in a much better situation with the sun out this morning.
45 overs
Still a few people late in taking their seats - they may not have heard that there's rain expected later. And considering the price of admission to Test cricket in this country, why not get their money's worth?
Toby Roland-Jones, yesterday's hero (but not in the Ian McShane sense),, external opens up from the Vauxhall End. Bavuma plays into the covers, there's a single there if he wants it... it's not taken. As tif his plan is to farm the strike, Bavuma steers the last ball of the over to third man, and only takes a single when there were possibly two - or even three - runs there. Chipping away at that follow-on target, which is down to 26.
Stumped
A heads-up about this week's Stumped podcast, which features an interview with ex-England bowler Devon Malcolm. Big Dev looks back on his incredible nine-wicket burst at The Oval in 1994, and sets the record straight on some of the myths surrounding his remarkable career. You can listen to that here.
27 needed to avoid the follow-on
The tall Morne Morkel confidently plays out the rest of the over as Broad bowls from the Pavilion End, despite not connecting with a big waft at the last delivery. He has two not out from 15 balls - his partner, the much shorter Temba Bavuma, has 34 from 67.
Michael Vaughan
Ex-England captain on BBC Test Match Special
England got a bit of a fright against Sri Lanka at Durham last year when they did enforce the follow on they had to do some hard yards in the second innings. The bowlers got a bit tired.
People complain that we never start earlier than 11:00 in England, even when there's time to make up from previous days.
Well, I can tell you that umpire Joel Wilson called "play" at 10:59. His next action was to call Stuart Broad for a no-ball, to his first delivery of the day...
Michael Vaughan
Ex-England captain on BBC Test Match Special
When I was captain we pretty much always enforced the follow on, it was only once or twice we didn't. The clouds are said to be coming in, why wait? I'd just get the ball back in hand and try to win the Test as quickly as possible. England haven't bowled too many overs.