Question: What position does Bob Diaco hold with the football team hat has the most wins and the highest winning percentage of any program over the last 50 years?

<P0-S0> Robert Albert Diaco (born February 19, 1973) is an American football coach and former player. <P0-S1>  He is currently the defensive coordinator at Nebraska. <P0-S2>  He previously was the head coach of the Connecticut Huskies football team. <P0-S3>  Prior to coaching at Connecticut, he has been a coach at Western Illinois, Eastern Michigan, Central Michigan, Virginia, Cincinnati, and Notre Dame. <P0-S4>  He played college football at Iowa. <SEP> <P1-S0> The Mount Union Purple Raiders football program is the intercollegiate American football team for the University of Mount Union located in the U.S. state of Ohio. <P1-S1>  They compete in the National Collegiate Athletic Association (NCAA) at the Division III level and are members of the Ohio Athletic Conference (OAC). <P1-S2>  The team was established in 1893 and plays its home games at the 5,600 seat Mount Union Stadium. <P1-S3>  They are coached by Vince Kehres. <P1-S4>  Through the 2015 season, Mount Union football has won 12 Division III National Championships and 27 OAC titles, which includes a streak of 24 consecutive conference titles from 1992 through 2015. <P1-S5>  Additionally, the Purple Raiders own the NCAA football record for consecutive victories with 55, set from 2000 to 2003, which broke their previous record of 54, set from 1996 to 1999. <P1-S6>  The team has also had notable winning streaks of 110 consecutive wins in the regular season from 1994 to 2005 and 112 from 2005 to 2016, along with a 98-game winning streak at home that also ended in 2016. <P1-S7>  With the Purple Raiders' success, former head coach Larry Kehres holds the record for highest winning percentage ( ) for coaches with minimum 200 career wins over his 27 seasons (1986–2012) as coach at Mount Union. <SEP> <P2-S0> Robert Lee Caruthers (January 5, 1864 – August 5, 1911), nicknamed "Parisian Bob", was an American right-handed pitcher and right fielder in Major League Baseball who played primarily for the St. Louis Browns and Brooklyn Bridegrooms. <P2-S1>  The star pitcher on five league champions in a ten-year career, he was the top pitcher in the American Association, leading that league in wins and shutouts twice each, winning percentage three times, and earned run average once. <P2-S2>  His 175 wins in the Association were the second most of any pitcher, and his league ERA of 2.62 was the lowest of any pitcher with at least 2,000 innings in the league; he was also the only pitcher to have 40-win seasons for two different Association teams. <P2-S3>  His career winning percentage was the highest of any pitcher prior to 1950 with at least 250 decisions; some sources recognize him as having compiled the highest winning percentage of any pitcher with at least 200 decisions (and retired as of 2006) in major league history. <SEP> <P3-S0> The Nebraska Cornhuskers football team represents the University of Nebraska–Lincoln. <P3-S1>  Among the 128 Division I-A teams, Nebraska is one of ten football programs to win 800 or more games. <P3-S2>  Nebraska has more victories against Power Five opponents than any other program, as well as the third most victories all-time, behind only Michigan and Texas. <P3-S3>  Nebraska also has the most wins and the highest winning percentage of any program over the last 50 years. <P3-S4>  Two of Nebraska's national championship-winning teams, the 1971 and 1995 teams, are considered to be among the best college football has ever seen.