Some tight and disciplined bowling from Lancashire's attack had reduced Northamptonshire to 124 for five in temperatures approaching 40 degrees, Will Williams picking up two scalps.
But Keogh led the counter attack, striking six fours as he passed 5,000 career runs in first class cricket. He found a willing partner in McManus and the pair shared a 77-run partnership in 18 overs to take Northamptonshire past 200.
However Lancashire made further inroads before the close with India international Washington Sundar claiming four wickets for 69. He removed Keogh thanks to a stunning one-handed slip catch from Luke Wells, while Tom Taylor was trapped lbw attempting a reverse sweep.
McManus reached his fourth halfcentury of the season shortly before the close as Northamptonshire finished on 218 for seven.
Earlier on a day reduced to 72 overs because of the extreme heat, the hosts' top order failed to capitalise after winning the toss and deciding to bat, despite most batters getting good starts.
ãã®èšäºã¯ Manchester Evening News ã® July 20, 2022 çã«æ²èŒãããŠããŸãã
7 æ¥éã® Magzter GOLD ç¡æãã©ã€ã¢ã«ãéå§ããŠãäœåãã®å³éžããããã¬ãã¢ã ã¹ããŒãªãŒã8,500 以äžã®éèªãæ°èã«ã¢ã¯ã»ã¹ããŠãã ããã
ãã§ã«è³Œèªè ã§ã ?  ãµã€ã³ã€ã³
ãã®èšäºã¯ Manchester Evening News ã® July 20, 2022 çã«æ²èŒãããŠããŸãã
7 æ¥éã® Magzter GOLD ç¡æãã©ã€ã¢ã«ãéå§ããŠãäœåãã®å³éžããããã¬ãã¢ã ã¹ããŒãªãŒã8,500 以äžã®éèªãæ°èã«ã¢ã¯ã»ã¹ããŠãã ããã
ãã§ã«è³Œèªè ã§ã? ãµã€ã³ã€ã³
Ten Hag in with the in-crowd as he claims supporters see the problems
ERIK ten Hag believes United supporters see the problems he is having to battle this season after thanking them for their outstanding support at Selhurst Park.
FALTERING REIGN ENTERS CRITICAL PHASE AS REDS FAIL TO MOVE ON
AS the clock ticked down at Selhurst Park you could hear the sound of defiance coming from an away end who deserve better than this. Soon, that is surely what they will get.
City have already been handed brutal reality check when they spare the Rod
WITH the game against Wolves done and dusted before the final whistle, Pep Guardiola had time to make five changes.
Israeli tanks at crossing
AN ISRAELI tank brigade seized control of the Gaza Strip side of the Rafah border crossing with Egypt, authorities said, moving forward with an offensive in the southern city even as ceasefire negotiations with Hamas remain on a knife's edge.
Inside the 'fairytale' wedding of fashion boss
GUESTS called it a 'fairytale come true' as Manchester fashion boss Umar Kamani married his model love Nada Adelle.
Ultra impressive
COLIN RUNS 200 MILES IN ONE GO FOR CHARITY
I was the happiest ever, now my life is destroyed
PARTNER OF MUM KILLED BY 123MPH DRIVER LAUNCHES ROAD SAFETY CAMPAIGN
Schools ban for menace 'who told parents he was Savile'
A MAN has been banned from entering any primary school in England or Wales following a string of complaints about anti-social behaviour - including when he allegedly told parents he was 'Jimmy Savile' outside the school gates.
Teacher 'fell pregnant by teen pupil' jury told
SHE DENIES SIX CHARGES OF SEX WITH A CHILD
It's a lovely area but has its fair share of incidents
RESIDENTS SPEAK OUT IN DEFENCE OF TOWN HIT BY VIOLENCE OVER WEEKEND