How Portsmouth, Sunderland, Barnsley and Charlton's League One promotion odds shifted in a dramatic weekend

There was more drama at the top of the League One this weekend as the race from promotion intensifies.
PORTSMOUTH, ENGLAND - JANUARY 30: A general view of the stadium prior to the Emirates FA Cup Fourth Round match between Portsmouth and AFC Bournemouth at Fratton Park on January 30, 2016 in Portsmouth, England.  (Photo by Mike Hewitt/Getty Images)PORTSMOUTH, ENGLAND - JANUARY 30: A general view of the stadium prior to the Emirates FA Cup Fourth Round match between Portsmouth and AFC Bournemouth at Fratton Park on January 30, 2016 in Portsmouth, England.  (Photo by Mike Hewitt/Getty Images)
PORTSMOUTH, ENGLAND - JANUARY 30: A general view of the stadium prior to the Emirates FA Cup Fourth Round match between Portsmouth and AFC Bournemouth at Fratton Park on January 30, 2016 in Portsmouth, England. (Photo by Mike Hewitt/Getty Images)

In a weekend full of late drama and surprises, the promotion picture has taken its latest twist - which has impacted the bookmakers' odds. Scroll down and click through the pages to see how the League One promotion odds shifted after another dramatic weekend: