Question: What coaching position did the Spurs-Suns rivalry allegedly prevent ''Coach Pop'' from acquiring?

<P0-S0> Truman Layton "T. L." Plain is an American basketball coach. <P0-S1>  Plain graduated from Western Kentucky State Teachers College in 1950, and received his master's degree from Murray State. <P0-S2>  Plain coached various high school basketball and baseball teams in Western Kentucky and Southern Indiana in the 1950s and 1960s From 1959 to 1963 T.L. Plain was the coach of the Kentucky Wesleyan Panthers where he coached the team to two NCAA Division II Tournaments. <P0-S3>  After two years of assistant coaching at University of Louisville Plain became an assistant coach for the University of Kentucky under coach Adolph Rupp. <P0-S4>  While at Kentucky, he was a part of the 1970 NCAA Runner up team. <P0-S5>  When Rupp was forced to retire by state law, the choice was down to Joe B. Hall and Plain for the head coaching position. <P0-S6>  T. L. Plain get the chance at a Division I school with Utah State University. <P0-S7>  His post coaching career included coordinator of convention sales at the Executive Inn in Evansville, Indiana. <P0-S8>  Since 2005 he has resided in Owensboro, Kentucky <SEP> <P1-S0> The Spurs–Suns rivalry is a National Basketball Association (NBA) rivalry between the San Antonio Spurs and Phoenix Suns. <P1-S1>  It began in the 1990s, when the Spurs were led by "The Admiral", David Robinson, and the Phoenix Suns were propelled by a number of players, including Dan Majerle, Kevin Johnson, and Tom Chambers. <P1-S2>  The rivalry continued into the next decade with Tim Duncan leading the Spurs, and with Steve Nash leading the Suns. <P1-S3>  The rivalry has also allegedly prevented Spurs coach Gregg Popovich from coaching the USA Basketball team in the 2008 Summer Olympics. <SEP> <P2-S0> Dennis Fryzel (February 21, 1942 – July 6, 2009) was the last head football coach at the University of Tampa. <P2-S1>  He was the captain of the football team at Garfield Heights High School, where he lost his teeth to on-the-field injuries. <P2-S2>  He attended Denison University, where he played football and ran track. <P2-S3>  Although offered a tryout by the Boston Patriots, he was unable to bulk up enough to accept. <P2-S4>  He entered the coaching ranks with jobs at his former high school, Columbia University, and Williams College, before being offered the defensive coordinator position by Tampa head coach Earle Bruce. <P2-S5>  Fryzel took over the head coaching position when Bruce was offered a job at Iowa State University the next year. <P2-S6>  Fryzel coached for two years at the University of Tampa, before the program was disbanded. <P2-S7>  Ironically, Fryzel, who had become the fourth UT head coach in as many years, had given assurances on his hiring that he intended to serve out his three-year contract, and not use it to serve as a springboard to a higher-profile job. <P2-S8>  Fryzel then took the position of special teams coordinator with the expansion NFL Tampa Bay Buccaneers. <P2-S9>  After one year, he returned to the college ranks and served as defensive coordinator at Syracuse University and Air Force, before rejoining Bruce at Ohio State University. <P2-S10>  After being fired (along with Nick Saban and Steve Szabo) following the 1981 Liberty Bowl, Fryzel retired from coaching. <P2-S11>  Saban, who calls Fryzel a "great mentor" and included him on the sideline at Alabama games, credits him with helping him to make up his mind to leave the Miami Dolphins and take the University of Alabama coaching job. <P2-S12>  He died in July 2009 of renal cancer. <SEP> <P3-S0> Gregg Charles Popovich (born January 28, 1949) is an American basketball coach who is currently the head coach of the San Antonio Spurs of the National Basketball Association (NBA). <P3-S1>  Taking over as coach of the Spurs in 1996, Popovich is the longest tenured active coach in both the NBA and all US major sports leagues. <P3-S2>  He is often referred to as "Coach Pop" or simply "Pop."