Sentence:  His statistical record that year , when Texas won only one game and lost nine , was far from impressive : he carried the ball three times for a net <WSD>gain</WSD> of 10 yards , punted once for 39 yards and caught one pass for 13 yards . 
Meaning of the word marked with <WSD> tags:  the amount of increase in signal power or voltage or current expressed as the ratio of output to input